Image: Conceptual illustration of a possible signal from an alien civilization reaching Earth.Detecting such signals — or their physical traces — requires advanced instruments, AI-driven analysis, and ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not settled the matter, some UFO enthusiasts say.

Add Yahoo as a preferred source to see more of our stories on Google. Collage of a telescope under a starry sky and a planet in space. Earthlings, brace yourselves: the galaxy may be emptier than your ...

Imagine if the nearest intelligent aliens were not across the street, not across the solar system, but on the far side of the Milky Way, some 33,000 light-years away from Earth. That’s the scenario ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

Explore the worst and weirdest places on Earth, from deadly deserts to toxic lakes. Discover extreme nature's secrets and ...