When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...

If ancient extraterrestrial explorers ever traipsed through Earth's cosmic neighborhood, it's possible they left behind some interstellar litter in their wake. Think of it like the loose hubcaps on ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...

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 ...

Roadside Picnic, by the Strugatsky brothers. At Paul Gilster’s recommendation, I read the Strugatsky brothers' novel Roadside Picnic. It definitely had terrific moments: the mysterious, bizarre Zone ...

Radio Scans Find No Alien Tech From the Latest Interstellar Comet CAPE CANAVERAL, Fla. (AP) — The group leading the charge in the search for extraterrestrial life has given the all clear: An ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...