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

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

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

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

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

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

There are tens of billions of Sun-like stars in the Milky Way, an immense tally that encourages the possibility that extraterrestrial life peppers the universe. Finding evidence for aliens — even ...

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

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...