Explore the galaxy Travel the Milky Way with exclusive software from the Open University - explore the nearest stars up to 600 lightyears from the sun.
Make a sky ruler Plans and printouts to help you measure distances in the night sky.
Where should our next space probes visit next? Saturn or Jupiter?
Phoenix lands on Mars Watch an animation of Phoenix's Mars Descent.
Sun wallpaper Two desktop wallpapers to light up your computer.
Spitzer's Milky Way Journey through Spitzer's new panorama.
Win a Dell D830 Notebook! We've one great laptop to give away! Enter here
Send an ecard to a friend. Choose from our gallery of photos
