Add Yahoo as a preferred source to see more of our stories on Google. GPS satellites must account for and correct for time dilation For centuries, humans have thought of time as a linear concept - but ...

Black holes are strange and fascinating celestial phenomena that challenge the laws of physics. From swallowing up entire stars to warping the very fabric of space-time and generating massive gravity ...

Google says spyware was slipped onto smartphones in Italy and Kazakhstan with the help of mobile interent service providers who cut off service so users could be ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...