Engineers are building a simulated Orion crew module for testing later this year.
NASA's Cassini spacecraft has found evidence of rings around Saturn's second-largest moon, Rhea. This would be the first discovery ever of rings around a moon.
This gallery features images of the crew members during preflight training and will be updated with pictures during the mission.
View new and archived seminars in this series featuring key researchers behind critical areas of aeronautics research.
Submit a mission-related question to be answered by a NASA astronaut during the live webcast on March 10, 2008.
Watch this video to learn more about the icy reaches of Antarctica, the drifting expanse of polar sea ice and the shrinking ice cap of the North Pole.
These forums will outline the role of space exploration in advancing science, engineering, technology, education and the economy. Dates are scheduled nationwide.
This unique program provides faculty members at U.S. colleges or universities the opportunity to "experience NASA."
This interactive feature outlines advancements in both commercial and military aircraft.
Find out when the U.S. launched its first satellite and other historical tidbits with photos that highlight 50 years of NASA milestones and a decade of space station assembly.
› Download calendar (8.6 Mb PDF)
NASA celebrates 50 years of inspiration, innovation and discovery.
This year's annual meeting will be held May 31-June 4 in St. Louis, Mo. It will focus on preparation for the International Year of Astronomy in 2009.
Workshops are planned throughout the United States through the summer of 2008.
Mars and Earth are at their closest this month, so now is your best chance to see our planetary neighbor.
The NAI carries out collaborative research and education in astrobiology. The site has lesson plans and a link to Ask an Astrobiologist.
The Dawn spacecraft will be the first to orbit two different bodies in our solar system.