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

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

For decades, scientists have searched the skies for signs of alien civilizations. This breakdown looks at why that approach ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

A light moment unfolds during Russian President Vladimir Putin’s annual news conference when a journalist asks about a ...

When we watch Kusimayu joining the hivemind in episode 9, it was a jolt to the system and a stark reminder that acts as a ...

President Vladimir Putin's epic annual press conference on Friday was punctuated by bizarre moments and occasional barbs from ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

President Vladimir Putin's epic annual press conference on Friday was punctuated by bizarre moments and occasional barbs from ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Follow live updates from NBC News as Russian President Vladimir Putin speaks at his annual year-end news conference on ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...