Satellites tracked smoke from wildfires as it spanned the continental United States and followed winds around two hurricanes.

This year’s Arctic sea ice cover shrank to the second-lowest extent since modern record keeping began in the late 1970s.

CU Boulder co-led study completes first global detection of nitrous acid in wildfire plumes

Diversity in many biological communities is a sign of an ecosystem in balance. When one species dominates, the entire system can go haywire.

Researchers have shown why intense, pure red colours in nature are mainly produced by pigments, instead of the structural colour that produces bright blue and green hues.

Global populations of mammals, birds, amphibians, reptiles and fish have declined by over two-thirds in less than half a century.

NOAA and its international partners funded and conducted a new study of the most acidified reefs to date, finding deep sea corals face the same challenges their shallower water relatives are dealing with in reefs around the world.

Drought-parched wetlands in South America have been burning for weeks.

On July 26, Svalbard’s only active coal mine, Gruve 7, was reported to be flooded by its operators, Store Norske Spitsbergen Kulkompani.

More than 45 U.S. Geological Survey scientists are in the field today from Louisiana to Georgia, working to measure the extensive flooding across the Southeast caused by Hurricane Sally’s heavy rains.