The Most Terrifying Photo In Space History
Ask an Astrophysicist
This site is intended for students age 14 and up, and for anyone interested in learning about our universe.
Space Shuttle Discovery (OV-103) Interactive Virtual Tour...
Space Exploration Technology: Space Exploration and Nuclear...
A tutorial on zero-g aka microgravity and why it is not zero gravity.
This artist's concept depicts a planetary system so compact that it's more like Jupiter and its moons than a star ...
NASA - First Shuttle Launch
A new era in space flight began on April 12, 1981, when Space Shuttle Columbia, or STS-1, soared into orbit from NASA's Kennedy Space Center in Florida. Astronaut John Young, a veteran of four previous spaceflights including a walk on the moon in 19...