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News

University of Colorado Boulder
colorado.edu > asmagazine > 07/21/2026 > what-ancient-eggshells-can-tell-us-about-extinction

What ancient eggshells can tell us about extinction

1+ day, 5+ hour ago   (785+ words) CU Boulder Professor Emeritus Gifford Miller contributed to a new study that delivers a more accurate understanding of the extinction of one of Australia’s oversized flightless birds Some people collect albums. Or coins. Or stamps. CU Boulder Professor Emeritus Gifford…...

CU Boulder Today
colorado.edu > today > 05/18/2026 > tiny-rodent-mammals-roamed-ancient-arctic-outlasted-dinosaurs

Tiny rodent-like mammals roamed the ancient Arctic, outlasted the dinosaurs

2+ mon, 4+ day ago   (445+ words) A reconstruction of the Late Cretaceous paleoenvironment of Alaska. A potential multituberculate animal is illustrated in the lower right corner. (Credit: James Havens) Today’s Arctic may feel remote and desolate, but more than 70 million years ago, it was a surprisingly…...

Earth Science
colorado.edu > earthscience > join-us > fun-facts-about-colorado-rocks > denvers-dinosaur-freeway

Denver’s Dinosaur Freeway

2+ mon, 2+ week ago   (84+ words) University of Colorado Boulder Other ways to search: The Denver of 100 million years ago looked very different than today. It was a beach along which herds of iguanadon dinosaurs migrated. These tracks are at Denver’s Dinosaur Ridge National Natural Landmark....