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

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

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

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

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

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 ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. When astronomers first discovered 3I/ATLAS in July 2025, the icy ...

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

NASA's AI space processor could transform spacecraft technology with autonomous decision-making, advanced NASA space computing, and a powerful radiation-hardened processor for future missions. john ...

SETI scanned 3I/Atlas for more than seven hours and detected no signs of extraterrestrial technology; The comet is only the ...