As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Weaver was ultimately nominated for an Oscar for her role in Aliens, which she said in an October appearance on the Happy Sad ...

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

Imagine peeling back miles of frozen white and revealing valleys, rivers, and mountains that haven't seen sunlight in tens of ...

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

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Think you know your Dyson spheres from your dark blobs? This cosmic crossword dives into the strangest, most mind-bending structures ever spotted — or imagined — in the universe.

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 ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

A group of researchers say it's time for academia to get serious about studying UFOs. The movement, championed by the Society for UAP Studies, is wrapping up an international conference aimed at ...