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Researchers have found a link between gravity waves in the upper and lower Antarctic atmosphere, helping create a clearer picture of global air circulation.

As plant communities become more diverse and complex in the high alpine, so, too, do soil microorganisms, according to new research at CU Boulder.

Researchers say that scant supplies of oxygen may have existed in Earth's ancient atmosphere.

A CIRES and NOAA team has developed unmanned aircraft systems to collect weather data in the Arctic.

Tiny valleys near the top of Antarctica’s ice sheet reach temperatures of nearly minus 100 degrees Celsius, according to new research from the National Snow and Ice Data Center.

A collaborative research team including CU Boulder scientists is outfitting a house with scientific instruments to demystify indoor air chemistry.

Wildfires can pollute streams and watersheds through the mobilization of sediments and other matter, straining the capabilities of downstream municipal treatment facilities.

A new study sheds light on the genetic mechanisms that allowed sunflowers to undergo a relatively rapid evolutionary transition from wild to domesticated in just over 5,000 years.

Three major "switches" affecting wildfire—fuel, aridity, and ignition—were either flipped on and/or kept on longer than expected last year, triggering one of the largest and costliest U.S. wildfire seasons in recent decades.

A new assessment identifies early-career barriers, and solutions, to improve climate research.