Recent research suggests that our solar system could already be hosting alien probes, potentially observing us from a distance. This idea aligns with a 2023 statement from a Pentagon UFO chief who ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Add Yahoo as a preferred source to see more of our stories on Google. A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro ...

There may be 19 asteroids in orbit around the sun that come from somewhere else entirely. If true, we could visit an alien 'world' without ever leaving the confines of the solar system. Share on ...

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 ...

Three researchers recently published a paper speculating about whether an object (likely a comet) could be "hostile" alien technology Scientists estimate the object to be more than 12-miles-wide, ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for astronomers to study an object born a long time ago in a star system far, far away.

For the first time, astronomers have detected radio signals from a planet beyond our solar system, according to a study available on the preprint server arXiv. The landmark observation offers a new ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field ...

For the quickest way to join, enter your email below. We’ll send a confirmation email and sign you up to Space.com newsletters with the latest inspiration, expert advice and exclusive offers.