When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

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

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

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

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

The molten lava world is enveloped in a thick atmosphere rich in hydrogen sulfide, which would produce a powerful smell of ...

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 ...

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

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

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...