The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

The Pentagon on 22 May 2026 released a second trove of once-classified images and video footage of unexplained flying objects ...

A physicist has argued that fundamental cosmic constraints make visits from alien civilizations to Earth effectively impossible. Factors such as vast interstellar distances, the speed of light as a ...

Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker somewhere ... but, if they ever visit Earth, he's volunteering to lead the ...