This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Avi Loeb, a distinguished cosmologist who previously led Harvard’s astronomy department until 2020 and conducted extensive ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

The latest batch of files includes videos showing artistic recreations of sightings of unexplained orbs. The witnesses in the sightings are described as “highly credible” and include federal law ...