A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

A picture portraying a UFO flying. On Monday, 27 October 2025 residents of Moscow witnessed a dramatic event — a giant fireball soared across the sky above the city just before dawn. The bright green ...

NASA has confirmed that 31/ATLAS is a comet and not an alien spacecraft, as some had believed. But it did lead one scientist ...