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

The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require ...

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

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

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 ...