But then scientists at the International Astronomical Union decided Pluto didn’t quite make the cut, it lacked the ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

About 140 light-years from Earth, there is a planet that is rapidly disintegrating. The crumbling world is roughly the mass [ ...

Our sun is wobbling, and this has a huge impact upon the regularity of many of Earth's meteor showers, according to a new ...

MIT astronomers estimate a planet 140 light-years from Earth may disintegrate fully within the next 1 to 2 million years.

Discover interesting facts about Saturn, its rings and whether it could contain extraterrestrial life.

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

By Will Dunham WASHINGTON (Reuters) -In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

By Will Dunham WASHINGTON (Reuters) -Astronomers have spotted a small rocky planet that orbits perilously close to its host ...

Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like ...