Astronomy & Space - Astronomy news

Earth: A Borderline Planet for Life?

Our planet is changing before our eyes, and as a result, many species are living on the edge. Yet Earth has been on the edge of habitability from the beginning. New work by astronomers at the Harvard-Smithsonian ...

Jan 09, 2008 4.4 / 5 (37) 15

Stellar Firework in a Whirlwind

Stars do not like to be alone. Indeed, most stars are members of a binary system, in which two stars circle around each other in an apparently never-ending cosmic ballet. But sometimes, things can go wrong.

Sep 03, 2007 4.2 / 5 (39) 0

Planet X myth debunked

It was an elusive planet that for 200 years appeared to explain Uranus's wobbly orbit. And there was the sister sun theorized to be near our solar system that caused asteroids to swerve toward Earth.

Mar 16, 2014 3.8 / 5 (42) 61

Students discover unique planet

The students were testing a method of investigating the light fluctuations of thousands of stars in the OGLE database in an automated way. The brightness of one of the stars was found to decrease for two hours ...

Dec 04, 2008 4.6 / 5 (35) 1

Galaxy Clusters Have a Mysterious Motion

(PhysOrg.com) -- The stars are in motion, and on a much larger scale than can be explained with current theories, according to astronomers at NASA, the University of Hawaii and UC Davis. The finding could improve our understanding ...

Sep 24, 2008 4.4 / 5 (36) 7