Today, tens of thousands of these abandoned hardrock mines continue to leak acidic, metal-laden water into pristine streams ...

The application opens Dec. 1, 2025 for the 2026-27 school year. Most applications are due between Feb. 15 and March 15. Prospective students will have access after applying for admission. View more ...

Heat waves, which are projected to become more frequent and intense as the century progresses, could cause as much as 10 times more crop damage than is now projected, a team of researchers led by the ...

The world is full of robber flies—approximately 7,000 species have been recognized worldwide and 1,000 are native to North America A robber fly perched on a flat piece of sandstone in the red rock ...

Banner image: Wil Srubar holds a sample cube of concrete that contains biogenic limestone produced by calcifying macro- and microalgae. (Credit: Glenn Asakawa/CU Boulder) Global cement production ...

In haunted houses across the country this month, threatening figures will jump out of the shadows, prompting visitors — wide-eyed and heart racing —to instinctively freeze and flee. Evolutionarily ...

A new Texas law bans nearly all abortions, and other states have indicated that they likely will follow suit. But the research is clear that people who want abortions but are unable to get them can ...

60 years after its legalization, people are still attracted to the lottery because of the strong emotions associated with imagining the future, CU Boulder psychologist says Sixty years ago last week, ...

The animal agriculture industry is the leading cause of most environmental degradation that is currently occurring. These detrimental effects happen as a result of overgrazing, habitat loss, ...

For decades, studies have shown that children able to resist temptation—opting to wait for two marshmallows later rather than take one now—tend to do better on measures of health and success later in ...

Yet 12 years after Colorado and Washington became the first U.S. states to legalize recreational cannabis, police still lack a reliable method for detecting whether someone smoked a joint or ate a ...

When Senators Marco Rubio of Florida and Edward Markey of Massachusetts introduced the bipartisan Sunshine Protection Act earlier this month, they rattled off a long list of reasons for making ...