Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of distant civilizations.

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light-years distant. Yet despite the odds, scientists insist that continuing the ...

SETI researchers have applied game theory to determine when extraterrestrial civilizations might try to send a signal to ...

Scientists searching for extraterrestrial intelligence are testing a new possibility: alien civilizations might transmit ...

The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

A massive spaceship appears in the night sky. Communications are cut off, and cities around the world are attacked. Humanity rises above national borders to make a final stand against an enemy with ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

Humans have wondered about life beyond our planet since ancient times, and researchers have worked hard for decades to find ...