Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first spacewalk since arriving.

The Falcon 9 rocket took off from the Kennedy Space Center carrying two lunar landers and a micro rover.

Advances in technology raise questions about the need to send people to space - and the risks and cost

Sunita Williams spoke to pupils from her hometown during her extended stay on the International Space Station.

"We're thankful for zero gravity" says stranded astronaut Barry "Butch" Wilmore.

A team of students are heading to America to take part in a global competition run by Nasa.

Nasa's Matthew Dominick demonstrates how astronauts eat ketchup aboard the International Space Station.

This is the reality for American astronauts Sunita Williams and Barry Wilmore who will be voting from space.