Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

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 ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Uncover the mysteries of the cosmos with the latest news on celestial events and space exploration. Learn about our universe ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

Those pesky space aliens are at it again … or I should say, conspiracy theorists’ hopes, dreams, fantasies and wish fulfillment, along with a combination of government reluctance to give adversaries ...

The SETI Institute has given the all‑clear: new radio scans show the latest interstellar comet is natural, with no signs of alien technology.

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...