Ask an Astrophysicist
This site is intended for students age 14 and up, and for anyone interested in learning about our universe.
Alan Friedman/ Solar Nirvana / 6 November 2011
15 Mind-Blowing Featured Images by NASA
Photograph by NOAA/NASA GOES Project The NASA Goddard Space Flight Center is home to the United States' largest organization of combined scientists, engineers and technologists...
46 Fabulous Photos of Endeavour's Last Ever Spacewalk
Today NASA astronauts completed their final spacewalk, the last ever for Endeavour. During the 16-day mission, Endeavour and its crew completed NASA's part in the construction of the International Space Station. This was the 36th shuttle mission to t...
Rare Hole In the Moon Photographed
New photos from a NASA probe have revealed the most detailed views yet of a rare hole in the moon.
The fastest way to send humans to Mars is to not worry about...
All current plans to send human explorers to Mars suggest the first mission is 25 years away. But a one-way journey could actually be possible very soon, and it might be just what we need to kick-start human space exploration. That's the only slightl...
WISE - Multimedia Gallery: Zeta OphiuchiUntitled Document...
The Whole Earth Disk: An Iconic Image of the Space Age «...
Earth from Apollo 17. NASA Image #AS17-148-22727