Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Scientists have proposed that advanced alien civilizations could build a Dyson sphere around a black hole instead of a star. Black holes can release enormous amounts of energy through their accretion ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for more evidence. We take a look back at some that made headlines—and that's ...

In the 1970s, author Erich von Däniken was a household name, not only in his native Switzerland, but also in the U.S. and ...

Ever since it was first spotted hurtling through the solar system, Harvard astronomer Avi Loeb has maintained that there’s a chance mysterious interstellar object 3I/ATLAS is a technological object ...