Shrubbery on the March Northward in Quebec

Shrubbery on the March Northward in Quebec

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.

Dust Storm Stirs up Argentina

Dust Storm Stirs up Argentina

This striking image from the International Space Station captures the beauty and power of nature in motion. A panoramic, oblique view of eastern Argentina and its coastline shows a large plume of dust swirling outward from the interior to the Atlantic Ocean.

NORAD Boosts Ways to Track Santa

NORAD Boosts Ways to Track Santa

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.

Satellite Data Show Reduced Toxic Air Emissions

Satellite Data Show Reduced Toxic Air Emissions

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.

Cattle Rustling Family Nabbed by Drone

Cattle Rustling Family Nabbed by Drone

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.