December 20, 2011
Kizimen, an isolated stratovolcano on Russia’s Kamchatka Peninsula, spewed ash nearly 10 kilometers (32,800 feet) into the air in mid-December 2011.
December 20, 2011
On Dec. 13, 2011, analysts in the DigitalGlobe Analysis Center confirmed an image of the Varyag, China’s first aircraft carrier, in the Yellow Sea on its second sea trial.
December 20, 2011
The northward expansion of vegetation may not be as dramatic as melting sea ice, but it’s another key indicator researchers are watching to better understand global warming.
December 20, 2011
Researchers say small unmanned aircraft equipped with fisheye-lensed cameras now can use insect-like visual navigation to stay on track.
December 13, 2011
Once again, the North American Aerospace Defense Command will track Santa’s yuletide journey—this year with cell phone apps, Google Earth and several other high-tech options.
December 13, 2011
Proposed energy projects just outside Yellowstone National Park borders have some people fearing that Old Faithful and other national wonders could be sapped of their energy.
December 13, 2011
Good news—satellite data combined with ground measurements indicate the Clean Air Interstate Rule, issued by the U.S. Environmental Protection Agency in 2005, is working in several states.
December 13, 2011
With 3,000 acres to cover and fearful of an armed standoff, a North Dakota sheriff calls in a Predator drone, modern military’s wonder weapon, in the first drone-assisted arrest on U.S. soil.
December 13, 2011
Astrium has been selected by the European Space Agency as prime contractor for the Sentinel-5 Precursor satellite, a low-cost mission to monitor atmospheric chemistry.
December 13, 2011
NASA scientists are preparing to use the agency’s Global Hawk drone to study the humidity and chemical composition of air entering the tropical tropopause layer of the atmosphere.