“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 ...

A new study published as a preprint on arXiv suggests that advanced extraterrestrial civilizations might not need to surround stars with giant structures to collect energy. Instead, they could extract ...

For decades, radio SETI searches have focused on one important question: if another technological civilization is trying to contact us, how would they send that message? For Dr. Zuckerman, the ...

The British daily the Guardian on the 11th (local time) highlighted the problem of the “great silence” in our vast and ancient universe, where no signs have yet been observed of extraterrestrial ...

Add Yahoo as a preferred source to see more of our stories on Google. A high-frequency SETI search using ALMA opened new radio bands and showed that past surveys may have covered millions more stars. ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Black hole Dyson spheres could harvest immense energy while releasing waste heat detectable by current telescopes. (CREDIT: ...

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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 ...