NASA
Volcanoes Smoothed Over Mercury's Surface 500 Million Years After Formation
Mercury had more than a few wrinkles erased when its surface was flooded with lava some 500 million years after its formation, according to a new study published in the journal Nature.
Latest Research Articles
Atlantis is Ready to Begin its Final Mission as a NASA PR Rep
New Report Criticizes NASA for Spending too Much on Sanitization Efforts
NASA's Voyager 1 is Riding the Highway Out of the Solar System
NASA's Sun Satellite IRIS Ready for Launch
NASA Launches Rocket with Students' Experiments from Virginia Base
When Building the World's Largest Rockets, Construction Starts With the Tools Themselves
NASA Calls for Help in Search for Threatening Asteroids
NASA's 2013 Astronaut Candidate Class Represents New Level of Diversity [VIDEO]
Exceptional Meteor Shower May Strike Tuesday, Has Not Been Seen in 80 Years
China Announces Plans to Send Three Astronauts Into Space June 11
Why Stars Don't Eat Their Young: A Study
NASA's Spitzer Takes Pictures of Milky Way's Blooming Countryside in Part of Effort to Map Entire Galaxy [SLIDESHOW]