Intelsat 22 will provide communications boost for the Australian Defence Force.
Watch as Mars’ moon Phobos glides by the Solar System’s biggest planet, Jupiter.
Five rockets launched in quick succession lit up the sky as they headed for the top of the atmosphere.
NASA telescope finds hundreds of new objects, and astronomers have no idea what they are.
More spectacular videos of our planet as seen from orbit.
Comet discovered by Australian amateur astronomer puts on a brilliant sky show.
Flight into orbit could soon begin with a flight into the air aboard a double-sized jumbo jet!
Best-ever images of a binary system with one star cannibalising the other.
Mars Science Laboratory will get only one shot at a safe entry, descent and landing.