An Iowa State University study delves deep below the surface to find how cover crops such as winter rye affect soil microbes a meter underground.

Satellite monitoring shows continued recovery of the ozone hole.

The grasslands of the Canadian Prairies are a hidden gem for bird watchers, with millions of migratory birds passing through the area each year.

The Arctic is thawing. The Northwest Passage is changing. More ships are moving through the waterway.

A NASA-funded study suggests winter carbon emissions in the Arctic may be adding more carbon into the atmosphere each year than is taken up by Arctic vegetation, marking a stark reversal for a region that has captured and stored carbon for tens of thousands of years.

Former Tropical Storm Nakri strengthened into a Typhoon in the South China Sea on Nov. 8. 

An unprecedented number of bushfires have erupted on the east coast of Australia due to hot, dry, windy weather. 

Matmo strengthened from a tropical storm to a storm with hurricane-force in the overnight hours of Nov. 7 into Nov. 8. 

Erosion of permafrost coasts in the Arctic could vent major amounts of CO2

Vertical air motions increase ice formation in mixed-phase clouds.