UK astronomer Arthur Eddington proved the German-born physicist's theory of relativity in May 1919.Read more
The piece of space dust put on a spectacular show in the night sky of South Australia.
Next time you find yourself gazing at the moon, take a good look at those craters on the surface. One of them is rather special - because it contains the ashes of the only person ever to have been 'buried' on the moon. His name was Eugene Shoemaker, and Outlook's Saskia Edwards has been hearing the story of how he ended up there - from his widow, Carolyn Shoemaker - or, as she's sometimes called, Mrs Comet. (Photo credit: Jonathan Blair/Corbis via Getty Images.)
When gravitational waves are detected, telescopes rush to see if there is any light associated with them.
The different methods scientists use to measure cosmic expansion fundamentally disagree with each other.