Plants will grow toward light, but gravity also affects their growth.
A scientist describes the sun's size, brightness and composition. Learn what sunspots are and how they become solar flares.
The Education Office at NASA's Jet Propulsion Laboratory in California is hosting a live video chat about earthquakes on March 18, 2011, at 1 p.m. EDT.
Use this background information in your classroom.
This NASA video segment explains how astronauts cook food, sleep and go to the bathroom while in space.
NASA recently gave students the opportunity to test education applications developed with video gaming technology.
Certain items are not allowed on the space shuttle. Find out why.
In this video, NASA Administrator Charles Bolden celebrates the achievements of African-American members of the NASA family.
Oceans play a major role in influencing changes in the world's climate and weather.
Our solar system is a family of planets, dwarf planets, comets and asteroids orbiting our sun. They share many common features, but each has unique personality traits.
Choose your favorite from each group.
Astronauts aboard the International Space Station are helping children learn their ABCs and vocabulary through educational demonstrations in space.
Learn what causes the phases of the moon.
Find out when the space station will be flying over your city, or track where it is right now.
A NASA engineer explains the 29 Earth-orbiting satellites that make up the GPS satellite network.
Alan Shepard rode his Freedom 7 capsule into history on May 5, 1961.
Use activities about toys in space to enhance hands-on science and mathematics lessons.
On Nov. 4, 2010, NASA's EPOXI mission will have a close encounter with Comet Hartley 2. Celebrate with comet-themed lessons and by taking part in a live webcast of the event.
The mighty space rockets of today are the result of more than 2,000 years of invention, experimentation and discovery.
These video clips investigate what it means to go green, satellites, dinosaurs, Earth's weather systems, Earth's ocean and more.