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

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

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

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 ...

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 ...