Imagine a super-advanced alien civilization that needs insane amounts of energy way beyond our puny solar panels and wind ...

The universe is vast, ancient, and mostly silent. For decades, scientists have pointed their telescopes toward distant stars, searching for signs of intelligent life. We scan the cosmos for radio ...

The search for intelligent alien life reaches far beyond simply finding another habitable planet. Across the universe, scientists can look for signs that advanced civilizations may leave behind, from ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that signal has normally been based on our own current cutting-edge technology. But ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has focused on for decades. Reading time 3 minutes For over half a century, the ...

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Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet ...

Add Yahoo as a preferred source to see more of our stories on Google. A photo illustration shows a Dyson sphere, a hypothetical method of harnessing energy directly ...