Explore NASA Earth Science highlights from the previous year.
On May 15, 1963, "Gordo" Cooper made the final flight of NASA's Mercury program, logging more time in space than all the previous Mercury astronauts combined.
Each year, we honor the Apollo 1, Challenger and Columbia crews and other members of the NASA family who lost their lives supporting NASA's mission.
In 2012, NASA continued to implement America's ambitious space exploration program, landing the most sophisticated rover on the surface of Mars, carrying out the first-ever commercial mission to the International Space Station and advancing the systems needed to send humans deeper into space.
You are invited to send holiday greetings to the crew up on the International Space Station during this holiday season.