Antiprotons have been discovered in a belt of radiation around the Earth. The exotically named PAMELA spacecraft made the discovery.

Using data from the Chandra X-Ray Telescope, scientists at Alabama University have calculated the mass of a black hole in a nearby galaxy. The mass is equal to a staggering 2 Billion Suns!

A small asteroid has been discovered which shares its orbit with Earth.

A new fourth moon of Pluto has been discovered, thanks to Hubble.