Museum officials uncovered a rare Cretaceous dinosaur bone 750 feet beneath their Denver parking lot, potentially the city's ...

A museum in Denver has found a fossil that is almost 70 million years old under its parking lot while running an unrelated drilling project. "This may be the most unusual dinosaur discovery I have ...

Plus: Wildfires at Black Canyon of the Gunnison, an open-water swimmer tackles Colorado rivers, a fish-for-all at a draining reservoir and more ...