Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

The biggest planet in our Solar System just got a little smaller. Okay, not physically, but our measurements of Jupiter just ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form.

Typically, from what astronomers have gathered thus far, star systems follow a tidy logic: small, rocky worlds huddle close to the warmth of their star, while massive gas giants bloat up in the colder ...

By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its ...

Scientists around the world have been scrambling to fill in gaps and make space on their servers for American data sets, ...

The president has mocked global warming as a “hoax,” but his administration avoided testing that claim in court as it ...

Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...

Earth is hit by asteroids all the time, but to avoid severe damages in the future NASA's Double Asteroid Redirection Test ...

Geoscientists say Earth will be home to one massive supercontinent about 200 million years from now; there are four prominent versions of this mega-continent. The climate might be surprisingly balmy ...

A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like ...