Maymo's animal-loving family is amazed at how their quiet dog keeps his cool while alien spaceships fly overhead.

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

We might have had it wrong this whole time.

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

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.