Learn more about L 98‑59 d, an exoplanet 35 light‑years away with a deep global magma ocean ...

Learn more about the Kepler-51 star system and some of the ''oddball" planets that reside there.

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

Might the solar system harbor not just one, but two unknown planets? A fresh study of the Kuiper Belt’s structure has revived that far-out question, pointing to a possible Earth-sized world-nicknamed ...

Back in April, the world became captivated by the news that maybe, just maybe, we weren't alone in the universe after all. If extraterrestrials were to exist on a distant exoplanet as a team of ...

A hazy, ultra-light “super-puff” planet, Kepler-51d, is hiding its secrets and challenging how scientists understand planet ...

K2-18b is a distant exoplanet in our Milky Way galaxy K2-18b is a distant exoplanet in our Milky Way galaxy K2-18b is a distant exoplanet in our Milky Way galaxy A team of astronomers have detected ...

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's concept shows what K2-18b might look like. Thought to be covered entirely in liquid water with a hydrogen-rich ...

When massive volcanic eruptions occur, they inject millions of tons of sulfur dioxide into the stratosphere, where it forms sulfate aerosols that scatter incoming solar radiation and result in global ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2 ...