Astronomers propose finding alien civilizations by searching for unusually cold stars that could be surrounded by Dyson swarms—energy-harvesting structures first proposed by Freeman Dyson.

T he universe is truly a vast and expansive place, filled with the most bizarre things that would stretch even the most ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...

The former Deputy Assistant Secretary of Defense Intelligence tells The Post the government’s trove of UFO docs is massive ...

A new study by the SETI Institute suggests that the alien signals might be right here, surrounding us all of the time, and we're just unable to pick them out.

SETI researchers may have missed alien signals due to a cosmic phenomenon that distorts narrowband radio waves, new research says.

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

For decades, scientists have searched the skies for signs of alien civilizations. This breakdown looks at why that approach may be outdated. If intelligence naturally leads to artificial intelligence, ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

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

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals ...