The north polar cap of Mars as seen by the Mars Global Surveyor. Credit: NASA/JPL/MSSS
Is There Ice on Other Planets?
The face of the Moon that we see from Earth. Credit: NASA/GSFC/Arizona State University
Learn All About the Moon!
A video of the 2012 transit of Venus from NASA's Solar Dynamics Observatory. Credit: NASA
What Is a Transit?
Dwarf planet Pluto was discovered on this day in 1930.
Game box art for the game Explore Mars. A Mars rover is in the middle of a Mars landscape. Credit: NASA/JPL-Caltech
Play Explore Mars!
Animation of states dropping onto the United States with text reading NASA in the 50 States. Credit: NASA/JPL-Caltech
Click here to explore how your state and NASA work together!
NASA in the 50 States
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