The first of more than 75,000 images that MESSENGER will shoot during a year-long study of our Solar System's innermost planet
Ground controllers used thrusters to push the Space Station away from a chunk of debris in preparation for 27's arrival
The Solar Dynamics Observatory enters an eclipse season twice a year during which it hides behind Earth for 72 minutes a day
Hoping to help relief organizations better understand current conditions on the ground, Google is pushing out new photos
At 40 gigapixels, this photo makes you feel like you're standing in the 18th century library of Prague's Strahov Monastery
Strange sculptures and deserted landscapes populate these images dreamed up by an artist more than 35 years ago
Using a photograph shot by the Hubble Space Telescope, scientists confirmed Saturn's magnetic field is slightly uneven
A newly discovered brown dwarf located about 75 light-years from Earth has a temperature equivalent to a cup of tea
The Gotthard Base Tunnel, currently being carved out under the Alps in Switzerland, should be completed by 2016
Because infrared light can penetrate dust, the continent for which this cluster of stars is named has disappeared completely
Orbital Sciences Corporation hopes to use the Aerojet AJ28 engine to send eight unmanned cargo missions to the ISS
A rare celestial event, a super perigee occurs when our moon reaches the closest possible point of its orbit around the Earth
More than six years after launch, MESSENGER has become the first spacecraft to orbit our solar system's innermost planet
The x-48C will increase fuel economy while also creating a larger payload area for cargo and/or passengers in the central body
Just like the rings of a tree trunk, dust samples taken from the canyon could reveal information about Mars' past climate
An image from the HiRISE camera on NASA's Mars Reconnaissance Orbiter shows deep, wide ridges running across an impact crater
Over the weekend, engineers spent seven hours moving Space Shuttle Endeavour to Launch Pad 39A for the final time
Measuring 1x1x1mm in size, this instrument, created by a team at Berlin's Fraunhofer Institute, is as big as a grain of salt
Opportunity sits on the rim of Mars' 300-foot-wide Santa Maria Crater, analyzing Martian rocks an collecting data
The crew members aboard Discovery have finished work on the International Space Station and are returning to Earth