Image: Conceptual illustration of a possible signal from an alien civilization reaching Earth.Detecting such signals — or ...

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

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

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 ...

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

In the search for extraterrestrial life, researchers have hinted at the idea that advanced alien civilizations may be communicating with each other using a series of flashing lights, similar to the ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

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

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict a “three-sided pyramid” on ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...