Planet X: Earth-sized Planet May Lie Beyond Neptune
	There is definitely something out there, orbiting in the outer edge of the solar system. Maybe a planet with a size comparable to that of Earth, locked in a highly elliptical eccentric orbit, hidden away from our keen eyes. But what if we're looking in the wrong place? According to professor Tadashi Mukai from Kobe University, there are more than 1,100 currently classified objects beyond the orbit of Neptune, most of them having large ... [read more >>]
	18 March 2008, 05:37GMT | (c) 2008 Softpedia

Pluto or Neptune?
	More than two years ago, before Pluto was demoted from its status of planet to that of minor planet, it was still considered the most remote planet from the Sun. Or, was it? If you look closer to the orbits of Pluto and Neptune, you might observe something unexpected. Pluto occasionally comes closer to the Sun than Neptune, meaning that Neptune would be farthest away from the Sun. Unfortunately, Pluto is no longer a planet now and we don&# ... [read more >>]
	22 January 2008, 08:21GMT | (c) 2008 Softpedia

Where is Planet X?
	There is another planet beyond the orbit of Neptune, and scientists say it's not Pluto. Ever wondered what the X in the name stands for? The X is the equivalent for unknown, opposed to the general believe that it represents the Roman numeral for 10. And another thing... how do you discover a planet that has never been observed? Believe it or not, the planet Pluto was actually discovered while astronomers were looking for Planet X, but ... [read more >>]
	16 January 2008, 06:57GMT | (c) 2008 Softpedia