If intelligent aliens are out there, why aren’t we hearing from them? Are they silently observing us like zoo animals, or staying quiet out of fear that they’d catch the attention of a bloodthirsty ...

Scientists say the silence of the cosmos may be explained by the possibility that technological civilisations destroy ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Scientists are looking for ways to detect alien warp drives lurking in space. While these hypothetical propulsion systems are most famous in science fiction stories like Star Trek, scientists believe ...

The SETI Institute recently began searching for signs of advanced extraterrestrial civilizations in distant galaxies outside our own. The research comes at a time when the notion that strange crafts ...

Most Americans believe that aliens exist — and more than one in five think they’ve already paid our planet a visit, according to an out-of-this world new poll. Some 63% of Americans said they’re ...