Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Avi Loeb’s White House panel has asked the Pentagon for videos and files on unexplained aerial sightings ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Few places on the planet look less like Earth than the Danakil Depression, a scorched, sunken stretch of northeastern ...

"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

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"The universe may contain minds stranger than we can imagine." The post There May Be Bizarre Forms of Consciousness Drifting ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...