The rules of time-travel have been debated by scientists and sci-fi fans alike for years, but now a student physicist has been able to "square the numbers" to show how paradox-free time travel is ...

The indie scene has been overrun in recent years with games that play with time travel, in particular using that gimmick as an excuse to have multiple copies of the player character on screen ...

The Call of Duty: Modern Warfare Remastered campaign early access is out in the wild on PlayStation 4 - and players have found a really cool Easter egg that doubles as a brand new achievement / trophy ...