Open up some cookies and scrape off the cream filling to make the four major phases of the moon.
Read NASA's 1999 interview with Santa Claus.
Learn how people from different countries and cultures designed, built and operated the most complex engineering project in history.
No matter how many years you reuse an artificial tree, one day it will end up in a landfill for the next 1,000 years!
Comets are mostly water ice. In the past, comets may have made regular water deliveries to Earth.
11.14.12 - A helicopter is an aircraft that uses rotating wings called blades to fly.
On July 11, 2010, a total eclipse of the sun was visible from within a narrow corridor that traversed Earth's southern hemisphere.
In sixth grade, Clara won an essay contest to name the Curiosity rover. Almost four years later, she talks about her inspiration for the name.
› Watch the Video → | › Read Clara's Essay | › Audio Clips of Clara
Students ages 13-18 may submit a video on one of three science topics.
Watch a view of an aurora from the space station and learn how aurora are generated.
Are you an artist, photographer or writer? Enter this year's Earth Science Week contests. Entries are due Oct. 19, 2012.
Play this game to see how the Webb Telescope is similar to tube-shaped telescopes.
Students talk with space station flight controller Cassandra Rodriquez.
Turn the pages with your mouse to see if Lucy can find an Earth-like planet in the universe.
09.04.12 - Students worldwide have an opportunity to name an asteroid from which an upcoming NASA mission will return the first samples to Earth.
"S to the P to the A-C-E. Space is the only place for me." The entire "solar system" sings in a big bang of a grand finale.
08.29.12 - NASA's Associate Administrator of Education and former Astronaut Leland Melvin recalls when he applied to the astronaut program. He had family members telling him he couldn’t be an astronaut, but his dreams surpassed any obstacles that stood in his way, and Melvin made it happen.
Galileo, Newton and Einstein visit Hannah to give her words of encouragement.
These asteroids were born to rock. They mosh around and can be found by Jupiter and Mars ... downtown.
Learn about the key moments in the history of the American space program.
› View this Video →