Potential Satellite Collision
May 5, 2013 | NASA
"NASA scientists don't often learn that their spacecraft is at risk of crashing into another satellite. But when Julie McEnery,...
Water Discovered on Five Planets
December 6, 2013 | NASA
"Two teams of scientists using the Hubble Space Telescope have found faint signatures of water in the atmospheres of five...
Solar Magnetic Field is about to Flip?
August 12, 2013 | Los Angeles Times
It happens about once every eleven years. This video from NASA tells you what to expect.
US Topo GeoPDFs
June 9, 2013 | USGS on YouTube
This is a video tutorial that will demonstrate how to use USGS topographic maps in PDF format.