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

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

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

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 ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical | Space ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

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 ...