A peculiar metal shard that sparked UFO enthusiasts’ imaginations as potential alien technology has been debunked by ...

NASA’s Perseverance rover will cache this pristine sample and others for return to Earth, which will “change everything for Mars science.” NASA’s Perseverance Mars rover has collected its first sample ...

And even if they were to happen across the probes, finding a way for aliens to discover where and when they were made is not ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

In Ripley's fight to keep human life as far as physically possible away from the Xenomorphs, Burke was initially a warm ...

Astronomers scan interstellar comet 3I/ATLAS for alien signals as Breakthrough Listen's 2026 technosignature search comes up ...

For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

For generations, the question of whether life exists beyond Earth has captivated humanity. On Mars, faint traces in ancient ...

NASA and SETI experts scan interstellar visitor 3I/ATLAS for alien 'technosignatures' as scientists say the 137,000mph object ...