New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

At their closest, Mars and Regulus sit just 0.7 degrees apart. That’s about a little finger’s width at arm’s length. It's one ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

The view of a volcano rising above them! This stunning panorama shows the ancient Martian volcano Arsia Mons peeking through ...

A spacecraft's-eye view over the landscapes of Mars has just given us a first-of-its-kind glimpse of the giant, ancient ...

The shockwaves generated by the tit-for-tat insults and threats still reverberate through NASA and the commercial space ...