While spring was springing across much of the Northern Hemisphere, California’s Sierra Nevada still looked very much like winter in early May 2024. 

Planetary scientists at CU Boulder have discovered how Venus, Earth’s scalding and uninhabitable neighbor, became so dry.

In the 1940s and 1950s, the ocean off the coast of Los Angeles was a dumping ground for the nation’s largest manufacturer of the pesticide DDT – a chemical now known to harm humans and wildlife.

Researchers at the University of Pittsburgh and Drexel University in Philadelphia, along with Brookhaven National Laboratory, are working to solve a multipart mystery to make water disinfection treatments more sustainable.

Researchers at the University of Michigan have developed a catalyst material known as cobalt phthalocyanine that converts carbon dioxide—a significant driver of climate change—into renewable fuels such as methanol.

On a blustery March morning, Petya Campbell stood atop a 204-foot-tall tower and looked across the waving canopy of the leafless deciduous forest at the Smithsonian Environmental Research Center in Edgewater, Maryland.

A nearly two-decade study of whale songs recorded in the Southern Ocean suggests that blue whales, the largest creatures ever to have roamed the Earth, may be recovering in Antarctica after being hunted to the edge of extinction.

When air temperatures in Antarctica rise and glacier ice melts, water can pool on the surface of floating ice shelves, weighing them down and causing the ice to bend.

Recent reports of NASA’s James Webb Space Telescope finding signs of life on a distant planet understandably sparked excitement. 

The names might not be familiar—Cowee Creek, Brabazon Range, Upper Pederson Lagoon—but they mark the sites of recent lake tsunamis, a phenomenon that is increasingly common in Alaska, British Columbia and other regions with mountain glaciers.