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

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

“Project Hail Mary,” the movie adaptation to Andy Weir’s 2021 novel about a science teacher attempting to save the Earth from ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Over the past decade, scientists have come up with a variety of frameworks to guide ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...