"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A quiet confession from Zosia exposes how the Others crossed Carol’s boundaries, turning a fragile romance into a catalyst ...

Pluribus” put its two unlikely heroes on the path to saving the world in the Season 1 finale, but not without some messy bickering first ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

It's clear that Forest 3 is taking much bigger risks than its two predecessors, and while it's shocking, it's also the right call.

New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

Why have disclosures from government officials about non-human intelligence been met with silence? Psychology explains the ...

NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors and stressing that the interstellar visitor is a comet. When you purchase ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

You know how we're all dreaming about living on other planets someday? Well, turns out, to make that happen, we need to get creative with some enclosed ecosystems called biospheres. Enter Biosphere ...

Picture, if you will, a monster so powerful and so unpredictable that everyone around him lives in a constant state of fear. Oh, I should mention: This monster is a young man. He’s also a genius and a ...