planet x

Science
Michael E. Brown, a researcher in planetary astronomy at Caltech is a servant of the 24th letter in the English alphabet, forever searching for the next big body in the Solar System, the yearned planet 'X'.
Science
For centuries though we have wondered if there could be a tenth planet out beyond Pluto. Well, the debate was actually settled back in 2005 when a tenth planet, (or ninth if you don't believe Pluto is a planet), was indeed found.
Science
The scientist who stripped Pluto of its planetary status helped discover it.
TED Weekends
Will we again be hit by the sort of asteroid that ended the dinosaurs? Probably, but we'll never see it coming; in fact, we already missed it if we can assume that maybe we've been threatened by menacing space junk in the past and our modern technologies might have already prevented us from a painful case of mass extinction.
Science
On Friday, Dec. 21, some say, the Mayan apocalypse will arrive and the world will end. Fortunately, it won't. Top 10 Ways
Weird News
Think Y2K was scary? This is Y2K plus a dozen! We needed a dose of reality to calm our nerves, so we went straight to the source, the Mayan ruins at Tulum.
Weird News
A typical broadcast might include an on-air experiment to contact extraterrestrials through the Internet, an interview with
Science
As for the putative planet itself, Levison said, "The strength of the idea that there is a planet out there will be the inability