Doctor Who rides the triceratops

BBC One has released a handful of posters for the upcoming season of Doctor Who.

Time travel proved impossible, physicists claim

A group of physicists at the Hong Kong University of Science and Technology (HKUST) say they've proved that single photons cannot travel faster than the speed of light in vacuum, effectively putting the kibosh on the idea of time travel.

Google adds time travel to Sky Map

Google's putting a planetarium in your pocket with the launch of a new feature on its Sky Map app.