Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

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

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

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” ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

A new discovery beneath the Bermuda Triangle has added another layer to the mystery surrounding the region, known for its unexplained ship and aircraft disappearances. Scientists have found a massive ...

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 ...