Alien-hunters are focusing their telescopes on 'pulsar' stars to time their twinkles, giving them a new tool to sift through ...

Military insiders suggest Earth may sit inside an alien quarantine zone, with humans treated like wildlife inside a cosmic ...

After aliens are detected at the fringes of the Solar System, humanity fractures into seven ideological factions, each with a ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

An alien comet is slipping away forever. For a few hours only, a livestream will show its final cosmic goodbye.

China advances plans for dual solar system boundary missions China has published coordinated papers outlining dual missions ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.