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

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

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

"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...