State-of-the-art seismological techniques applied to Apollo-era data suggest our moon has a core similar to Earth's.
NASA's Robotic Lunar Lander Development Project has completed a series of hot fire tests for a new propulsion system for a robotic lander prototype.
One Mars movie gives a rover's-eye view of a bluish Martian sunset; another shows the silhouette of Phobos passing in front of the sun.
At the close of one of the most turbulent years in American history, the world watched as Apollo 8 went into lunar orbit on Christmas Eve.
LRO is allowing researchers to create the most precise and complete map to date of the moon's complex, heavily cratered landscape.
NASA's Mars Opportunity rover is getting important tips from an orbiting spacecraft as it explores areas that might hold clues about past Martian environments.
NASA's Mars Exploration Rover Opportunity has visited and photographed two craters informally named for the spacecraft that carried men to the moon 41 years ago this week.
The seven-month upgrade to the historic "Mars antenna" at NASA's Deep Space Network site in Goldstone, Calif. has been completed.
Support from LRO was critical to LCROSS's mission to search the moon's polar regions for evidence of water.
The Sample Analysis at Mars (SAM) instrument suite has completed assembly at NASA's Goddard Space Flight Center in Greenbelt, Md.