How did Colorado's current and ancient landscape form? How do rocks reveal those ancient landscapes? What type of life has inhabited Colorado over geologic time? In what ways has the state's geologic ...

His research includes work on present-day geological hazards such as debris flows, floods, and gully network growth, as well as research into the long-term formation of landscapes and sedimentary ...

A massive rockslide in the Wet Mountains covered a southern Colorado highway with thousands of tons of boulders and debris on Sunday, closing roads and challenging state officials tasked with ...