A series of travel diaries written by famed physicist and anti-racism campaigner Albert Einstein -- and now published in English for the first time -- reveal that the scientist held racist and ...

When you think about the idea of time travel, you likely think about the fantastic possibility of going backward in time to an event in the past, rather than our constant, inevitable march forward in ...

From H. G. Wells's The Time Machine to Christopher Nolan's Interstellar, the possibility of travelling through time has fascinated people for centuries. But, although it sounds like pure science ...