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Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our ...
The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos ...
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Where Aliens Might Actually Pick Up Our Deep Space Signals
A new analysis by researchers at Penn State and NASA's Jet Propulsion Laboratory takes a closer look at where and when alien ...
The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...
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Alien eavesdropping: A new study shows how our signals might leak into space
A new study reveals how Earth's strongest radio signals, meant for our own spacecraft, "leak" into the cosmos in predictable ...
On Jan. 31, 1958, the United States orbited its first satellite. The effort was part of the nation's participation in the ...
Researchers propose using Earth's deep space transmissions as a guide to detect potential alien radio signals, focusing on specific planetary alignments.
Scientists engaged in the search for extraterrestrial life (SETI) have flipped the question on its head, providing new ideas in quest for ET.
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