The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

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

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 ...

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

David Grusch, a former intelligence official, claims the U.S. government is secretly funding programs to reverse-engineer alien technology, sparking debate over transparency and congressional ...

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 ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

Uncover the mysteries of the cosmos with the latest news on celestial events and space exploration. Learn about our universe ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.