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 ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

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 ...

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

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 ...

An artist's concept shows what K2-18b might look like. Thought to be covered entirely in liquid water with a hydrogen-rich atmosphere, the exoplanet may be a good place to look for biological activity ...

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 ...