Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar ...

Lunar regolith may hold microscopic alien debris, and scientists plan to excavate one cubic meter of Moon soil to find out.

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

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 ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...

They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to run. Now, international scientists are theorizing that these intelligent ...

Artist and creature designer Alex Ries created the Birrin Project around an intelligent six-limbed species living on the ...

The search for alien radio signals has spent decades listening in a familiar part of the spectrum. A first-of-its-kind survey now suggests that unexplored higher frequencies could widen the hunt, ...

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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 ...

Black holes appear built to hide energy, not advertise it. Yet a civilization wrapping one in vast collectors could create a detectable glow, turning one of the universe’s darkest objects into a ...