The largest identified single outbreak in U.S. history of West Nile virus disease, a potentially fatal mosquito-borne illness, occurred in Arizona last summer.

Climate change is a complicated phenomenon with a variety of both abrupt and gradual effects that scientists are working hard to uncover. 

A team of scientists led by the Wildlife Conservation Society (WCS) and Appalachian State University used environmental DNA (eDNA) to document the breadth of high-alpine biodiversity present on Earth’s highest mountain, 29,032-foot Mt. Everest (8,849 m). 

When marine heatwaves and ocean acidity extreme events co-occur, it can have severe impacts on marine ecosystems.

Every 60 seconds the equivalent of a lorry-load of plastic enters the global ocean.

New research on Antarctica, including the first map of iceberg calving, doubles the previous estimates of loss from ice shelves and details how the continent is changing.

Antarctic saw another month of record-low sea ice coverage

The same La Niña conditions that helped usher in an exceptionally hot and dry summer are also setting the stage for increased hurricane activity — but those storms won’t bring the kind of rain Texans have been hoping for.

The Tibetan Plateau, known as the “water tower” of Asia, supplies freshwater for nearly 2 billion people who live downstream. 

Fiddler crabs burrowing beneath arid mangrove forests help bring beneficial bacteria to an ecosystem in dire need of nutrients.