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

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

An alien monolith is discovered in the Utah desert by Heavy D.

The Perseverance rover has been exploring the Jezero Crater for years, and it's finally found a potential meteorite, now ...

A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

"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.

Texas authorities arrested a suspected caretaker and discovered 17 individuals illegally present during a human smuggling operation in Laredo on Tuesday.

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...