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

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

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.

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

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

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

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

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 ...

Just three decades ago, astronomers had no evidence that planets commonly orbited other stars. Then in 2025, NASA confirmed ...

“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 ...

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...