Astronaut Joseph M. Acaba delivers a message to students.
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Be a part of history and join astronomy fans around the globe in casting a vote for the next object the Hubble Space Telescope will view.
Astronaut Sandy Magnus, aboard the International Space Station 220 miles above Earth, is ready to take your questions.
Take a 3D look at NASA's new Lunar Electric Rover
Learn what launched the career of an astronaut who lived in space for six months.
Jan. 16, 2009
Goddard played host to The Discovery Channel's "Young Scientist Challenge" program in October. That program is scheduled to air on Sunday, Jan. 18, 2009.
View top science, exploration and discovery stories from NASA.
Earth's sister planet Venus takes center stage during the month of January. Find out where to look in the night sky to catch a glimpse.
Girl Scouts in Ohio and Illinois used images from NASA's online image galleries as their inspiration to write poems.
To celebrate the 10th anniversary of the space station, NASA is offering a 2009 calendar that contains photographs taken from the space station and highlights historic NASA milestones and fun facts.
Watch this video to find out!
Grab a telescope, binoculars or just a lawn chair, and head out to the backyard for a night of cosmic sightseeing.
See how the rover will enter, descend, land and work on the surface of Mars.
NASA wants you to name the next rover going to Mars!
Mike Foale has been on six space missions. He has spent 374 days in space.
Find out what's planned for each day of this 16-day space shuttle mission.
Compare the size of objects as large as the solar system and as small as atoms. Move the slider and advance through the slide show, or let this interactive animation play on its own.
NASA has many satellites in space. J-Track 2.5 shows where they are at this moment. See all satellites at once or select a group such as astronomy, Earth observation, weather or HAM radio satellites.
Astronaut Greg Chamitoff is challenging Earth to a chess match. And you can help Earth win!
The Cassini-Huygens team sends "best witches" for a happy, healthy and fun Halloween.
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