The most crowded alien planetary system found yet possesses five worlds all orbiting a star at least 12 times closer than Earth does the sun, researchers say. Investigators discovered these exoplanets ...

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 ...

Harvard’s UFO-hunting astronomer Avi Loeb says interstellar object 3I/ATLAS still has strange, unresolved clues - from its near-perfect planetary-plane path to odd jets ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

A Harvard astronomer is making waves by suggesting that a massive interstellar object hurtling through our solar system might be an alien spacecraft.

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 ...

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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, ...

If life exists elsewhere, it might not be on worlds like Earth. Here are some of the more peculiar places scientists are ...