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In less than two weeks, Venus will transit the Sun for the last time in our lives. Literally. The planet moves in between Earth and the Sun twice every few years, but these periods are spaced more than a century apart. The next Venusian transit will occur in December 2117.
The upcoming transit will take place betwe... |
24 May 2012
10:36 GMT |
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Scientists from the US Department of Energy's (DOE) Sandia National Laboratories (SNL) announce the creation of a new model describing geological strata. Their new approach to doing this is in stark contrast with previous explanations proposed by geologists.
For example, experts believed that each horizontal sl... |
23 May 2012
10:39 GMT |
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Investigators from the University of Maryland (UMD), in the United States, say that a new study they conducted provided new evidence that supports the Gaia hypothesis. This one proposes that the entire planet is a giant, living organism.
The team believes that it will soon be able to discover and analyze a large num... |
16 May 2012
05:09 GMT |
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The Field Museum in Chicago is now the owner of a small meteorite that is believed to be around 4.6 billion years old, which is at least 100 million years older than our planet. The rock may have been among the first objects to form in the solar system.
The 10-gram sample is taken from a larger meteorite, and was do... |
10 May 2012
05:02 GMT |
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A team of investigators that included Alan Boss from the Carnegie Institution for Science (CIS) Department of Terrestrial Magnetism has recently determined that hot-Jupiter-class extrasolar planets can prevent the formation of Earth-like worlds early on in their development.
Researchers figured out that the gas gia... |
8 May 2012
03:13 GMT |
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As I'm sure many of you have wondered why the Earth stays in a stable orbit around the Sun, here is a short video clip uploaded to YouTube by the guys at MinutePhysics, providing a limited, yet entertaining explanation of why this happens. I find it very interesting that they brought up the number of dimensions ... |
4 May 2012
11:03 GMT |
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A recent astronomical study has revealed four white dwarf-class stars tearing apart and consuming just as many rocky extrasolar planets very similar to Earth. The discovery points at what might happen in our own solar system, when the Sun reaches the end of its main sequence.
For G-type yellow dwarf stars like our ... |
4 May 2012
09:49 GMT |
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Apple’s choice as the best iPhone and iPad Utility in App Store Rewind 2011, Living Earth HD has reached version 1.52 which adds a number of enhancements and fixes.
The updated Living Earth HD features enhanced cloud definitions for live clouds, enhanced zoom for iPhone 4S, launch speed improvements, and a muc... |
1 May 2012
18:51 GMT |
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According to the conclusions of a new scientific study conducted in Denmark, it would appear that the development of life here on Earth got a boon from supernova explosions that occurred in the vicinity of the solar system.
Without these events, it is possible that life wouldn't have developed here, or that it... |
30 April 2012
03:38 GMT |
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An international collaboration of experts, led by NASA scientists, found that numerous asteroids the size of the one believed to have killed the dinosaurs struck our planet between 3.8 to 1.8 billion years ago. This number was found to be a lot higher than initially calculated, the new study reveals.
Dinosaurs went ... |
26 April 2012
04:39 GMT |
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While massive asteroid impacts have the potential to cause global extinction events on the surface, they are apparently good news for microorganisms living below Earth's crust, a new study has uncovered.
The conclusion came after scientists at the University of Edinburgh in Scotland conducted a study of an anc... |
17 April 2012
06:01 GMT |
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According to a new theory, it could be that asteroid impacts that took place in our planet's distant past shot sprays of DNA material into deep space, which may have then made its way to worlds located around nearby stars.
In this manner, life may have traveled from our planet to other locations in the Sun... |
9 April 2012
08:19 GMT |
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At the recent National Astronomy Meeting, held in Manchester, the UK, two teams of researchers presented the progress they made in adapting models used to understand climate and weather on our planet to other worlds.
The scientists are trying to develop a series of tools that would enable them to study the atmospher... |
5 April 2012
04:48 GMT |
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Astronomers say that our planet constantly has more than one moon. A new computer model indicates that objects other than the Moon enter orbit around our planet for various periods of time, before resuming their paths through the solar system.
The group, based at the Paris Observatory, explains that most of these mo... |
4 April 2012
09:54 GMT |
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An international group of investigators recently announced that the value for the half-life of samarium-146, previously thought to be 103 million years, is in fact 68 million years. The new number is very important, since 146Sm is heavily used in a number of dating methods.
The actual value for the element's h... |
4 April 2012
05:41 GMT |
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I think it's funny how studies conducted lately are beginning to indicate that it may be possible that life never originated on Earth in the first place. In tune with those discoveries, a new study shows that amino acids can survive an impact between Earth and a comet.
Now that this has been demonstrated, it i... |
29 March 2012
09:30 GMT |
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In a paper published in the March 29 issue of the top scientific journal Nature, experts propose that Earth's evolution occurred differently than current theories call for. A large number of cosmic impacts may have altered the way our planet should have evolved by a considerable margin.
As such, this world is v... |
29 March 2012
07:54 GMT |
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The most widely-accepted theory over how the Moon formed suggests that it emerged from the debris field caused by a massive impact between Earth and Theia, a Mars-sized planet that existed in the early solar system. However, new data appear to indicate that this was not the case.
Under the old explanation, at least... |
26 March 2012
05:58 GMT |
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The conclusions of a new scientific study indicate that our planet's atmosphere oscillated between a hydrocarbon-free and a hydrocarbon-rich state some 2.5 billion years ago, before the Great Oxygenation Event occurred.
This phenomenon saw the release of vast amounts of oxygen in the atmosphere, and ultimately... |
21 March 2012
05:57 GMT |
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Investigators at the Aarhus University, in Denmark, say that they were recently able to conduct a series of studies on the level of activity microorganisms living deep under the seabed are engaged in. This study may help explain some mysteries related to Earth's complex carbon cycle.
Details of the research ef... |
20 March 2012
09:47 GMT |
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In a paper published in the latest issue of Science, and entitled “A Change in the Geodynamics of Continental Growth 3 Billion Years Ago,” experts at the University of Bristol, in the United Kingdom, refine our understanding of how continents evolved over the ages.
The type of crust underlying Earth... |
19 March 2012
09:14 GMT |
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For more than 10 years, the two spacecraft making up the GRACE mission have been defying and redefining gravity. A decade after their launch, they are still going strong, producing breakthroughs in our understanding of how our planet works.
The Gravity Recovery and Climate Experiment is a collaboration between the A... |
17 March 2012
05:07 GMT |
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Iapetus, one of the many moons orbiting Saturn, is unusual even among the gas giant's peculiar satellites. When viewed through telescopes, it appears as if it has two colors, and astronomers have been trying to figure out why that is for years. The answer may lie within Earth's ice sheets. Scientists beli... |
16 March 2012
19:01 GMT |
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Investigators with the Steinmann Institute of Geosciences at the University of Bonn say that new computer models are beginning to reveal a clearer picture of how Earth's first continents formed. New measurements refined previously-unclear aspects of how land and water differentiated.
Earth's continental c... |
16 March 2012
18:01 GMT |
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About 18 years ago, a ground-breaking computer study revealed that Jupiter, the largest planet in our solar system, plays an important role in protecting Earth from comets in the solar system. When the study was recently revisited, astronomers found that the issue is considerably more complex.
Apparently, the gas g... |
16 March 2012
04:46 GMT |
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A near-Earth object that flew very close to our planet earlier this year will return in 2013. During its next visit, asteroid 2012 DA14 will pass closer to Earth than many of the satellites currently in orbit.
Astronomers discovered it only after the rock passed our planet this year. Experts immediately calculated i... |
15 March 2012
11:57 GMT |
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Lately, doomsayers have taken an interest in asteroid 2012 DA14, a near-Earth object (NEO) that they say will collide with our planet next year. Astronomers at NASA say that there is no chance of that happening any time soon, let alone next year.
Despite the fact that scientists have proven that the space rock is n... |
7 March 2012
05:12 GMT |
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The start of the Younger Dryas may have coincided with a large comet breaking up in our planet's atmosphere. The event, believed to have taken place some 13,000 years ago, was first proposed years ago, but thus far insufficient data were available to support the idea.
The Younger Dryas, informally known as the... |
6 March 2012
09:31 GMT |
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Australian researchers have discovered in a new study that Earth's cloud cover is dropping closer to the surface of the planet. It has been doing so for at least 10 years, and is now about one percent closer than it was a decade ago. The conclusions belong to a new study based on satellite records.
Though this... |
22 February 2012
04:37 GMT |
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Michigan State University investigators say that it may be possible to develop an entirely unique perspective on the evolution of life on this planet, if we just analyze the history of its building blocks.
Team leader Robert Root-Bernstein, a professor of physiology at MSU, believes that an entirely new field of pal... |
20 February 2012
07:21 GMT |
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A paper published in the February 16 issue of the top journal Science suggests that some of the rocks on our planet were extremely slow to change and undergo recycling. These data are now added to a growing body of gaps in our knowledge of how early Earth evolved. According to the investigation, some of the most slug... |
17 February 2012
11:19 GMT |
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Those of you who have found a passion in analyzing various aspects of the Earth and of the Solar System have now a new tool at their disposal to download and install on Windows-based PCs.
Dubbed Layerscape, this is a cloud-based tool that relies on the popular WorldWide Telescope. Both of them come from Microsoft ... |
17 February 2012
08:43 GMT |
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On February 14, a series of weird atmospheric events was observed over portions of the northern hemisphere. Scientists noticed auroras (northern lights) shining brighter than usual, even if no solar flares were previously reported to have occurred on the surface of the Sun.
The dazzling light show the auroras put o... |
17 February 2012
03:08 GMT |
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In order to make sense of an apparent paradox, astronomers are revisiting an older theory seeking to explain how the Sun looked and behaved like in its infancy. The theory holds that the star may have been between 2 and 5 percent more massive when it first formed.
This idea is being explored because it has the pote... |
15 February 2012
08:09 GMT |
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One of the latest time-lapse videos of Earth released by the American space agency showcases parts of the North American continent, including the United States and Canada, and provides a brief glimpse of stupendous auroras taking place at higher latitudes.
The video is shot during the nighttime, so all major cities ... |
13 February 2012
07:38 GMT |
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Discovering neutrino oscillations was one of the most significant discoveries made in particle physics over the past few years. Now, a team of physicists proposes that scientists use this data to conduct studies of Earth's density at various locations.
Experts currently accept the existence of three types, or f... |
2 February 2012
08:52 GMT |
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A team of researchers has just completed a new investigation on how our planet would have looked like to a distant observer during the time of the dinosaurs. What this means is that the experts sought to figure out precisely how bright our world appeared to potential aliens on extrasolar planets.
Rather than use cl... |
2 February 2012
06:11 GMT |
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As evidenced decades ago, Earth is surrounded by a couple of radiation belts, atmospheric structures that contain large amounts of dangerous charged electrons. Some experts suggested that increased solar activity might be capable of driving them towards the surface, but new data shows that to be false.
Researchers d... |
30 January 2012
14:31 GMT |
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A study conducted on the planetary system's heating energy revealed an inconsistency when comparing data from satellites with measurements of how much Earth's oceans were heating. The mystery was just resolved in a new NASA investigation.
The previous study was compiled by experts at the Boulder, Colorado-... |
30 January 2012
08:59 GMT |
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In a series of previous studies, researchers proposed the existence of an atmosphere layer containing cold, electrically-charged particles, way above the planetary surface. The latest investigation into this issue reveals that to be true, as scientists discover cold plasma layer at the top of the atmosphere.
Theore... |
27 January 2012
09:14 GMT |
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A satellite operated by NASA, the US National Oceanic and Atmospheric Administration and the Department of Defense has just reedited one of the most renowned images in history – the “Blue Marble,” snapped by the Apollo 17 crew on its way to the Moon.
The new version was pieced together from a large... |
26 January 2012
11:06 GMT |
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Astronomers were recently able to determine in a new investigation that the atmosphere surrounding the Saturnine moon Titan has multiple layers, just like our planet's. This is a remarkable discovery, since it represents the first time a layered atmosphere is discovered around another celestial body.
With this ... |
16 January 2012
08:56 GMT |
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The only ecosystem left to explore on our world is also one that could finally allow us to better understand our planet. Inside the igneous ocean crust that lies beneath the sediments of the ocean floor, species of microorganisms live in conditions that have not changed for eons. Needless to say, analyzing these li... |
9 January 2012
11:07 GMT |
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A team of geologists analyzing a puzzling rock sample discovered that it was made up of a type of crystal that had never before been encountered in nature. Scientists know all there is to know about this material, but only because they created it in the lab. Now, they hypothesize that the rock is in fact a meteorite.... |
4 January 2012
04:45 GMT |
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A new photograph of Ligeia Mare depicts the landscape feature in beautiful colors that remind us of Earth. Yet, the sea is located on Titan, Saturn's largest moon, and is filled with liquid hydrocarbons such as methane and ethane, rather than water.
Even so, Titan and Earth are not that different. Granted, atm... |
30 December 2011
03:23 GMT |
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Just a few days ago, astronomers operating the Kepler Telescope announced the discovery of the first two Earth-like worlds orbiting close to their parent star. That news drowned out another, revealing the existence of two additional Earth-like exoplanets around a dying star.
What is interesting about these findings... |
27 December 2011
07:46 GMT |
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A group of scientists proposed in a new scientific paper that Earth has two moons, the familiar one we see in the sky at night, influencing our planet's tides, and another one, only as big as a very small car.
The asteroid is not always the same, the team behind the paper believes. They say that there is a spac... |
23 December 2011
10:35 GMT |
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Earlier today, I wrote a piece about the exoplanets Kepler-20e and Kepler-20f, which were found by the NASA Kepler Telescope about 1,000 light-years away. These objects, which you can now see in more detail, are the smallest exoplanets ever discovered.
In fact, one of them is smaller than Earth. Kepler-20e has a ra... |
21 December 2011
09:51 GMT |
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Experts handling the science data return of the NASA Kepler Telescope announced yesterday, December 20, that the observatory was able to identify the first exoplanets that are nearly identical to Earth in size. The worlds are not located in their parent star's habitable zone.
This is the second major discovery... |
21 December 2011
03:09 GMT |
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Iron is the most important element in our planet's core, that much is known. What is still a mystery is how it behaves under the extreme pressure and temperature levels inside Earth. Thanks to a new series of experiments, scientists now have a much deeper understanding of what is happening down there.
One of t... |
20 December 2011
05:35 GMT |
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