Scientists in Chicago produce a visualisation of van Gogh's Bedroom in Arles, showing what it would have looked like before its colours faded.

Two physicists who placed a long-odds bet that gravitational waves would be detected by 2010 say the discovery is "worth much more" than the £2,500 they missed out on.

British mapping agency Ordnance Survey has released an easy-to-read map of terrain from the planet Mars.

The discovery of claw marks in a bone-filled cave suggests an extinct Australian predator was able to climb and could have threatened humans, scientists say.