Are humans alone in the universe, or could intelligent alien civilizations exist somewhere beyond Earth? For more than 60 years, scientists have searched the skies for signs of extraterrestrial ...

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

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

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

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the ...

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 ...

To date, the search for alien intelligence, collectively known as SETI, has focused on more human-esque types of searches. These include radio signals, laser pulses or even physical megastructures ...

Elon Musk has raised concern about the lack of evidence of extraterrestrial life, prompting questions about why humanity has ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...