The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

An alien doorway on Mars, as captured by Mast Camera (Mastcam) onboard NASA's Mars rover Curiosity on Sol 3466 (image courtesy NASA) Scientists and David Bowie have all famously wondered if there is ...

A recently circulated photo from NASA’s Mars Perseverance rover has sparked renewed fascination with interstellar comet 3I/ATLAS. The striking image appears to show a bright, cylindrical object moving ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Did NASA hide real images of 3I/Atlas after its Mars flyby? A viral theory claims alien links as a spacecraft falls silent, ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

Elon Musk reveals his shock UFO theory: they aren't aliens but secret government weapons. Plus, the grim biological truth about colonising Mars and how it could mutate humanity.