Arctic sea ice reaches lowest extent for 2013
MUST SEE: Experience the sights and sounds of Honolulu, Hawaii in two minutes!
Historical hurricane tracks
Earthquake jolts Yellowstone National Park
Ingrid weakens to a tropical storm after making landfall near La Pesca
Gabrielle weakens, still a threat to Atlantic Canada
Who's ready for July heat in September?
Iced helicopter strands USGS employees atop remote Alaskan volcano
On the hunt for black holes
Purr-fection: Dallas Zoo welcomes cheetah cubs