The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...

A newly discovered interstellar object is moving through the solar system at around 137,000 mph, and it did not take long for ...

A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.

Amid the twinkling stars, a cosmic interloper has captured the world's imagination – or has it? The interstellar object dubbed 3I/ATLAS, discovered in July 2025, has sparked wild speculation about ...

A NASA image of the moon has sparked theories of aliens after a mysterious object was spotted hovering above the lunar ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

A mysterious tripod-like object captured by NASA's Curiosity rover on Mars has sparked debate about extraterrestrial life, though experts suggest it may be a camera artefact.

Cameras are everywhere, 3I/ATLAS was watched by Hubble and JWST, and we still have zero verified photos of alien spacecraft.

NASA chief Jared Isaacman has said the US space agency holds images of objects it cannot explain, but he stopped short of calling them proof of alien life when he spoke on the Jack Gordon Podcast on ...