Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s ...

Congressman Joe Neguse and a coalition of lawmakers are pushing back on a White House proposal to slash funding to the National Oceanic and Atmospheric Administration that supports climate research, ...

A smoke map from NOAA shows Colorado will be almost entirely covered with smoke on Thursday as wildfires burn thousands of acres on the Western Slope.

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

Millions of people across three states have been urged to remain indoors amid concerns over high air pollution levels. Air quality advisories were issued on Thursday for parts of Connecticut, Colorado ...

Denver7 is tracking the latest Colorado weather alerts as strong-to-severe thunderstorms are firing up Wednesday night.

Boulder should see cloudy, rainy highs in the mid-80s today, according to the National Weather Service. Today’s forecast ...

Longmont should see cloudy, rainy highs in the high-80s today, according to the National Weather Service. Today’s forecast ...

Boulder Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Boulder area.