Mountains and butterflies are conceptualized as the ultimate juxtaposition—enduring and resolute versus fleeting and delicate.

A wetter-than-usual rainy season in Sudan has devastated communities across the country.

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

Using a NASA satellite rainfall product that incorporates data from satellites and observations, NASA estimated Hurricane Teddy’s rainfall rates as it approaches Bermuda on Sept. 21. 

How much carbon dioxide, a pivotal greenhouse gas behind global warming, is absorbed by plants on land?

NASA’s Terra satellite obtained visible imagery of recently formed Tropical Depression 14W as it strengthened into a tropical storm. 

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

Having reached the end of the alphabetical list of 21 Atlantic tropical storm names for 2020 with Tropical Storm #Wilfred today, the naming protocol for all subsequent storms will now consist of names pulled from the Greek alphabet as decided by the World Meteorological Organization.