Rockfall Hazards at Yosemite’s Glacier Point
June 18, 2012 | USA TODAY
Concerns about rock falls in the Glacier Point area of Yosemite National Park has caused... Rivers on Saturn’s Moon Titan
July 22, 2012 | MIT
Rivers flowing on Saturn's moon, Titan, operate in a very different environment than what we... Why Lava Has a Red Glow
January 23, 2013 | Minute Physics @ YouTube
Did you ever wonder why lava flows glow red, why natural gas flames are blue... Status: Yosemite’s Lyell Glacier Stagnant
February 5, 2013 | Yosemite National Park
"The Lyell Glacier, the largest glacier in Yosemite National Park, has stagnated, or ceased its... Yosemite Rockfall Hazards
July 11, 2012 | USGS
Yosemite National Park and USGS scientists, in collaboration with academic geologists, recently completed a comprehensive... How Much Water?
June 6, 2012 | USGS
"If you took all the water on earth – in oceans, ice caps, lakes, rivers,... Carbon Dioxide in U.S. Rivers and Streams
February 10, 2012 | USGS
"Rivers and streams in the United States are releasing substantially more carbon dioxide into the... Fall Colors on the Appalachians
October 31, 2012 | NASA
Before Hurricane Sandy hit, NASA's Earth Observatory captured an interesting satellite image of fall colors... | 
