On Earth, human sperm tend to know where to go when it comes to fertilizing an egg in utero. But that may not be the case in ...

A 'space potato' grown aboard the ISS went viral for its alien look, but NASA astronaut Don Pettit says it highlights future ...

The story claims a hidden underground base where aliens and humans work together—featuring human experiments, strange cattle ...

"While it's hard to say what makes something more likely to have life, identifying where to look is the first key step." ...

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

"Using our newly developed RAVEN pipeline, we were able to validate 118 new planets, and over 2,000 high-quality planet ...

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

As the science fiction author publishes the latest novel in his Children of Time series, Children of Strife, he talks to ...

Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...

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

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.