Every few years, a new “mystery metal” surfaces and the internet races to declare it proof that we are not alone. Shiny shards, polished spheres, and desert monoliths are quickly framed as alien ...

An interstellar visitor is facing its trial by fire today, and one of the world's most prominent astronomers is watching for the verdict. Some believe the object, 3I/ATLAS, may be about to unveil ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Morrow (Babou Ceesay) is ...

The intriguing celestial object known as 3I/ATLAS has sparked debate over whether it is a natural comet or alien technology. Recent reports have consistently debunked the alien hypothesis, reaffirming ...