The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

The planet's environment would make it unlikely to sustain life.

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

Exomoons orbiting rogue planets could host liquid water for billions of years, offering potential habitats for life deep in ...

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...

This world is part of a planetary system with four other planets, including a super-Venus and a possibly habitable ...

Scientists find entirely new kind of planet - Study suggests that the galaxy’s planets could be far more different than we ...

Astronomers have detected an Earth-size planet candidate orbiting a nearby star once a year, making it a promising target for ...