Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

A new study explores whether extraterrestrial signals could have already reached Earth undetected, examining what that would imply for current searches. Credit: Shutterstock. Dete ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Scientists have discovered a 'super–Earth' planet less than 20 light–years away, and it could have the right conditions for alien life. The exoplanet, dubbed GJ 251 c, is at least four times larger ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which ...