Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

What happens when a planet contains immense quantities of water but is far too hot for that water to remain liquid?

Thousands of exoplanets have been found, but only a few stand out as truly Earth-like. These 16 may be the most promising ...

A team of scientists is developing a "quantum-sensitive" device that could capture direct images of Earth-like exoplanets — something astronomers tend to consider so difficult it's nearly impossible.

This artist’s concept shows the volatile red dwarf star TRAPPIST-1 and its four most closely orbiting planets, all of which ...

TESS launched atop a SpaceX Falcon 9 in 2018 to study exoplanets that transit their star from our perspective, meaning they ...

Researchers at Cornell University have developed the first-ever reflectance spectra — essentially a color-coded key — of the ...

Scientists have detected the first direct evidence of a coronal mass ejection from a star beyond our Sun, specifically the M dwarf StKM1-1262. This ma ...