A previously undisclosed account from a US fighter pilot shot down over Iran has sparked fresh questions about the ...

Hubble has captured evidence of extraordinary jet activity from the interstellar comet 3I/ATLAS, which challenges established models of cometary physics and raises new questions about the nature of ...

More than 300 pages of intelligence reports from the National Security Agency have shed new light on UFO sightings.

A US fighter pilot rescued from Iran says his F‑15 was surrounded by a jellyfish‑like swarm of 'alien' drones moments before ...