K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

China's Tianwen-2 probe has come within mere miles of Kamo'oalewa, one of the Earth's seven mysterious "quasi-moons." ...

Harvard astrophysicist Avi Loeb will head the UAP Science Advisory Council established by the White House, the Pentagon, the ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

"All these discoveries from pioneering missions like Voyager and New Horizons teach us how little we know about what lies ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

While many believe that extraterrestrial life exists somewhere in the vast universe, others argue that the fact that 'aliens have never appeared on Earth' is the reason why highly intelligent ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to rule them out, according to a NASA‑linked study presented this month by ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Add Yahoo as a preferred source to see more of our stories on Google. Those hoping an infamous interstellar object that visited our cosmic neighborhood in 2025 was an extraterrestrial attempt to ...