Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

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

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

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

NASA’s Nancy Grace Roman Space Telescope has reached Kennedy Space Center in Florida, where it has begun final preparations ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

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

Discover how a new Southern California aerospace boom is taking off, fueled by AI startups, defense tech innovation, and ...

Katalyst Space’s LINK spacecraft will launch from an airplane in the Marshall Islands to boost NASA’s Swift Observatory, ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...