Stories about: exoplanets  

Like the Red Planet, they may also lack a magnetosphere

This brings the total count of such worlds to four

The worlds were not destroyed when their star became a red giant

These are the first two Earth analogs discovered by Kepler

NASA experts made the announcement in a conference on December 20

The finding could yield more insight into the nature of other systems

The mission takes another step towards launch in 2013

The latest batch is not the last the spacecraft will produce

Kepler produces very few false-positive results, experts say

The conclusion belongs to a new scientific investigation

The discovery was made by a NASA planet-hunting telescope

Temperatures on its surface can easily melt iron

Nature can sometimes produce such constructs naturally

One of the giant worlds forces four others to do the same

This could happen even if they are outside their stars' habitable zones

NASA releases amazing clip showing auroras on an exoplanet

The features have largely gone unnoticed by astronomers thus far