The moon is about the size of Jupiter, and it orbits a brown dwarf instead of a regular planet.

American astronomers, armed with leading-edge AI tools, have discovered a sensational archipelago of exoplanets circling ...

The small exoplanets of our Sun’s second-nearest neighbor, Barnard’s Star, are inhospitable wastelands, British astronomers ...

Since the first planet beyond our solar system was confirmed in the 1990s, astronomers have gone on to catalogue more than ...

A rocky exoplanet 48 light-years from Earth has offered the 'strongest evidence yet' that other planets besides Earth could ...

Jupiter goes around its star in 180 days, which is a long time compared with most exoplanets we've discovered.

Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of ...

Currently, the closest exoplanet to Earth is Proxima Centauri b, which orbits the star Proxima Centauri, located 4 ...

It's 2234, you're on your annual class field trip touring exoplanets, and your teacher informs everyone they can pick one more exoplanetary system to explore before heading back to Earth. You and your ...

Astronomers have spotted helium escaping from LHS 1140b, an exoplanet orbiting in its star’s ‘habitable zone’.

Sub-Neptune exoplanets could have atmospheres so dense and crushing that rock is vaporized to form clouds that trap heat at ...

Add Yahoo as a preferred source to see more of our stories on Google. "Only a handful of these super-puffy planets are known, and it is even rarer to find two in the same system," team leader George ...