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Hundreds of millions of years' worth of rocks have gone missing from the Grand Canyon's geologic record. Geologists are trying to discover why.

The new species, mouse- to cat-sized ancestors of today's hoofed animals like cattle and deer, offer scientists a new window into what the American West looked like just after the extinction of the dinosaurs.

Researchers at CU Boulder are part of a newly published study that finds that low-rise, high-density environments like those found in Paris are the optimal urban form when looking to reduce greenhouse gas emissions over their whole life cycle.

In light of recent Colorado fires, floods and landslides, CU Boulder Today spoke with environmental experts Fernando Rosario-Ortiz and Ben Livneh about how fire may shape the future of water in the West.

A new study tackles one of the oldest questions in the history of the planet: How did living organisms get so big?

Even in the absence of bark beetle outbreaks and wildfire, trees in Colorado subalpine forests are dying at increasing rates from warmer and drier summer conditions.

New research about the fate of krill—one of the most abundant species on Earth—during this century has important implications for not only the Antarctic food web, but for the largest commercial fishery in the Southern Ocean.

Hannah Brenkert-Smith has studied the role of residents' choices in wildfire risk for two decades, with one goal being to improve mitigation programs. Her most recent work near Bailey, Colorado, concludes residents often overestimate their preparation and underestimate their risk.

So far, 2021 is one of the 10 wettest years on record since 1872 in the Denver area. Chelsea Nagy discusses what a wet spring and resulting plant growth in the Front Range could mean for the rest of the year. 

At night in southern Africa, primates called bushbabies emit "spooky" vocalizations that sound like crying children. What may be even spookier is the possible future these adorable creatures face.