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

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

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

'As the number of exoplanets we've discovered increases, the question about life existing somewhere other than the Earth ...