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 ...

WHAT are the billions of stars and planets beyond our solar system up to? Do they behave like ours or are we a freak of nature? While definitive answers are far from nailed down, a recent deluge of ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since scientists began keeping track of such things.

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 ...

Since the first discovery of a planet orbiting another star in 1992, some 280 alien solar systems have been identified. Most look quite unlike ours, and for good reason. Planets are mainly spied by ...

Astronomers using the James Webb Space Telescope have identified a strange ultra-bright object from the early universe.

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James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Discovering Venus-like conditions beyond our Solar System could reveal why some rocky worlds remain havens for life while ...