Ten years to the day after the Opportunity rover launched to Mars, the HiRISE camera on the Mars Reconnaissance Orbiter snapped this image of the rover, still toiling away on the surface of Mars. The white dot in the image ...
The budget proposal that US President Barack Obama released Wednesday would boost funds for major science and health programs while making cuts at NASA and the Environmental Protection Agency.
With somber ceremonies, the United States on Friday commemorated the loss of the space shuttle Columbia and its seven-member crew on the tenth anniversary of the disaster.
Bad weather is delaying the transfer of the shuttle Endeavour from Florida to California where it will be put on show, the US space agency said.
Are we alone? Or was there life on another planet? NASA's $2.5 billion dream machine, the Mars Science Laboratory, aims to take the first steps toward finding out when it nears Mars's surface on Monday.
The first flight of a commercial vessel to the International Space Station in late April will signal a bigger role for the private sector and open up space tourism opportunities, industry experts and lawmakers say.
A NASA astronaut who spent more hours walking in space than any other American and also set a record for the longest spaceflight mission has retired to join the private sector, the US space agency said Monday.
The United States will scale back Mars exploration under a proposed budget by President Barack Obama released Monday that has some scientists fuming over the risk of a NASA brain-drain.
NASA is seeking friends for a new game the US space agency launched on Facebook.
Republican White House hopeful Mitt Romney tried to boost support on Florida's "Space Coast" Friday ahead of next week's key primary, promising business would play a bigger role in future missions.