Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

This is the provocative question at the heart of an emerging astronomical debate, wherein the discovery of rogue ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

WASHINGTON — A newly discovered planet is eerily similar to Earth and is sitting outside our solar system in what seems to be the ideal place for life, except for one hitch. It’s a bit too big. The ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...