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

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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

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

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

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

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...