Space

Mars image may indicate presence of water ice

Mars rover carries out arm exercises

How this toothbrush saved the International Space Station

First galaxies had an explosive birth

NASA’s Dawn spacecraft is on its way to Ceres

Video: Simulating the birth of a planet

Star has 'secret of eternal youth'

Voyager 1 turns 35 as it leaves solar system for ever

Hubble snaps a supernova in NGC 5806

Manned Mars mission wins initial funding