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

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.

Despite criticism from the scientific community, his books sold almost 70 million copies in more than 30 languages.

Elon Musk reacts to a resurfaced video with a four-word tweet, reaffirming his long-term vision for travel beyond the confines of our solar system. Learn more about Musk’s vision of finding alien life ...

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

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...