NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

Astronauts working in zero gravity must recognise and visualise objects from many different angles. Try this typical mental rotation task. What would this 2D net look like when it's folded into a ...

A routine crew rotation at the International Space Station has taken on unusual significance: It paves the way for a pair of astronauts stranded for more than nine months to ...