After a nearly ice-free winter, along with more rain than snow, Lake Erie was filled with colorful swirls of suspended sediment and algae on the first day of spring 2012.
Most Unsafe Aerosol Pollutant Abundant in China
NASA satellites validate abnormally high levels of fine pollution matter called PM2.5 over China that exceeds World Health Organization guidelines of 10 micrograms per cubic meter.
GeoEye-2 on Schedule
Despite jitters surrounding Department of Defense budget cuts, GeoEye says it fully expects to receive a $111 million government payment for its next satellite by June.
Earth Hour Set for March 31
For the first time, Earth Hour will extend to the International Space Station, where ESA astronaut and WWF ambassador André Kuipers will observe the planet as the lights switch off March 31.
Images Contrast Japanese Landscape a Year After Tsunami
These false-color images from NASA Earth observation satellites compare Ishinomaki, Japan, immediately after the tsunami and then a year later.
Guiding Drones with Hand Signals
Just as crews use standard hand gestures to guide planes onto aircraft carrier decks, researchers at MIT are working on a system that would enable drones to react to the same types of gestures.
Disposable Satellites Envisioned for Warfighters
DARPA seeks expertise from mobile phone, medical pneumatics, industrial machinery, optics and automobile racing communities to build inexpensive, disposable Earth observation satellites.
Heavy Australia Rains Boost Risks for Humans
Abnormally high levels of rain in Australia during February 2012 created ideal conditions for increased wildfires and the production of mosquitoes that carry infectious diseases.
NGA's Letitia Long Profiled
In its Security Clearance Case File series, CNN profiles key members of the intelligence community. Learn more about the National Geospatial-Intelligence Agency's Letitia A. Long.
Israel: Satellite Images Confirm Iran's Nuclear Threat
An Israeli official claims satellite images that raised suspicions Iran is trying to conceal a key nuclear test back Israel’s concerns that Tehran is developing an atomic bomb.
