1. National

First HD pictures from Mars

Nasa has released the first high-definition colour pictures of Mars sent back to Earth by the Curiosity rover. Curiosity beamed back a recorded voice message from the red planet.

View all 45 updates › song played from surface of Mars said he could not explain how amazing it was to have his song, Reach for the Stars, to be broadcast from another planet.

Speaking to students at the Jet Propulsion Laboratory in Pasadena, California, he said the song will tell them to raise their expectations of what they can achieve for themselves, and surround themselves with people who believe in them.

During the event,'s angel Foundation and Discovery Education announced a $10m classroom education initiative that will reach 25 million students annually, including 'many from underserved communities'.

More on this story