Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

In 1990, a Bulgarian military operation aimed at uncovering a rumored alien artifact led to the discovery of a mysterious ...

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 ...

First contact with alien civilizations won’t be with the beings themselves, but with their technology. By searching for these extraterrestrial artifacts, we embark on a journey through our solar ...