Mega galaxy is missing link in history of cosmos May 22, 2013

Mars Rover Curiosity drills second rock target May 22, 2013

Subaru Telescope observations and the CoRoT mission unveil the future of the Sun May 21, 2013

Storms on Uranus and Neptune confined to upper atmosphere May 21, 2013

Meade Instruments Corp. to be acquired by Jinghua Optics & Electronics May 21, 2013

Asteroid nine times larger than cruise ship to sail past Earth May 20, 2013

Scientists witness bright explosion on the Moon May 20, 2013

Mars rover Opportunity examines clay clues in rock May 20, 2013

Radio telescope reveals giant outbursts from binary star system May 17, 2013

The Week in Pictures: May 11–17, 2013 May 17, 2013

Scientists shape first global topographic map of Saturn's moon Titan May 17, 2013

Black-hole powered jets plow into galaxy May 16, 2013

Probe counts space rock impacts on Mars May 16, 2013

Exoplanet-hunting Kepler space telescope experiences mechanical failure May 16, 2013

NASA develops key to cosmic carbon’s molecular evolution May 15, 2013

Searching for Orion's protostars May 15, 2013

New method of finding planets scores its first discovery May 14, 2013

The Sun emits first X class solar flares of 2013 May 14, 2013

Leak repaired on the International Space Station May 13, 2013

Sifting through the atmospheres of far-off worlds May 10, 2013