science

Ancient Greek astronomer Aristarchus of Samos proposed a Sun-centered model of the solar system centuries before Copernicus, challenging early views of the universe.

A new NOAA index is helping scientists better track El Niño and La Niña patterns, improving drought forecasting and water outlooks across the Western U.S.

Rain Enhancement Technologies, a private company, is testing a different approach to cloud seeding at a couple of project sites in the Rocky Mountains. The method is known as ionization cloud seeding and doesn't use silver iodide.

Skywatchers in the Four Corners can see a total lunar eclipse March 3, with totality just after 4 a.m. It’s the last visible here until late 2028.

A new AI-powered map reveals the most detailed picture yet of groundwater across the United States, showing how much water lies underground and where it may help guide conservation and planning.

Clear nights cause radiational cooling, letting heat escape into space and making valleys like Cortez and Mancos colder than surrounding ridges.

Park staff uncovered the remains of a long-necked dinosaur beneath a parking lot near the Quarry Exhibit Hall, marking the first excavation in the area in more than a century.

A Colorado State University snow hydrology expert explains what contaminants can end up in snow and offers practical tips for reducing health risks if people rely on snow as a water source.

Russ Vought, President Donald Trump’s budget chief, called NCAR “one of the largest sources of climate alarmism in the country”

Blood types aren’t just a human trait — animals have them too, and they play a critical role in wildlife rescue, veterinary care, and conservation efforts across the natural world.