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 ...

Theoretical physicists have spent decades wrestling with a disorienting possibility: that the flow of time is not woven into ...

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 ...

Last week, we touched upon E=mc2, and how Einstein’s theory of relativity turned the world of physics upside-down. Now, we’re using that theory to show why the very concept of time may not be what you ...

Quote of the day by Newton: 1915 changed physics forever. In that year, Albert Einstein published the general theory of relativity and reshaped our understanding of gravity and spacetime. For 228 ...