Learn more about Galileo Galilei, the first person to use a telescope to study the night sky.
Register today to help the Dawn Science Team investigate and analyze high-resolution images of the giant asteroid Vesta.
NASA employees and guests paid tribute during an annual event to honor astronauts who perished in the conquest of space.
02.05.13 - Up to the challenge of playing a game where you're in control of airplanes in a piece of the nation's skies? Yup, there's an app for that.
It seems the Cassini spacecraft has found its valentine.
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.
01.18.13 - What an inspired idea -- let students teach and share with others the interesting research astronauts do on the International Space Station.
Landsat's 40-year legacy continues on Feb.11, 2013, with the next mission. Plan a party with these resources and watch the launch on NASA TV.
Events during the inauguration of President Obama include an open house, star party, NASA Social, exhibits, and two floats and marchers in the parade.
This exciting app gathers some of the best and most recent Web offerings from NASA and the Jet Propulsion Laboratory.
Find links to educator guides, lesson plans, activities and more relating to flight and the history of aviation.
Find out how NASA is participating in the 2013 FIRST Robotics competition.
A scientist, engineer and educator team up to share tips on how to craft a science fair project idea and see it through to completion.
See what NASA has planned for the upcoming year.
12.28.12 - The six Expedition 34 crew members aboard the station are seeing out the old year and ringing in the new one as they orbit 260 miles above the Earth.› Video: Crew Sends New Year's Greetings
The planet Saturn dresses up to send New Year's greetings.
It was the day the sun never rose. It was also the day the sun never set.
You are invited to send holiday greetings to the crew up on the International Space Station during this holiday season.
12.22.12 - Dec. 21, 2012, wasn't the end of the world, and here's why.
Explore this interactive timeline to learn about 50 years of planetary exploration.