Near Las Vegas, there's another mysterious monolith. There's an earthly explanation for it, but the unexplained and alien captivates us so much. In the mountains near gambler's paradise in the US, Las ...

SAN FRANCISCO -- Is it alien or art? Utah public safety officers were stunned when they stumbled on what looks like something out of a sci-fi space film. They found a mysterious-looking, chrome ...

Add Yahoo as a preferred source to see more of our stories on Google. This Colorado specimen, which is rectangular and reflective, was found on a hill outside Bellvue. It stands about 8 feet tall and ...