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

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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

Depending on who you ask — and what you’re willing to believe — aliens are real. And they’ve visited Vandenberg Space Force ...

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...