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

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

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

A visitor is hurtling through the void, a silent, ancient vagabond from an alien star system, and by the end of the week, it will make its closest ever approach to Earth. This is no ordinary comet; it ...

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

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