Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent peer-reviewed studies published in The Publications of the Astronomy Society of ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In China’s largest province, Qinghai, there’s something a little out of place. A set of modern-looking, metallic pipes protrudes ...