Good morning, Denver.

Denver-based Frontier Airlines announced Monday that longtime CEO Barry Biffle resigned and interim CEO James Dempsey will lead while Biffle stays on as an advisor until year’s end.

The leadership change comes amid growing investor skepticism over the low-cost airline model.

CU Boulder researchers have been selected by NASA to design and build DUSTER, a set of instruments that will analyze lunar dust (which can damage equipment) for the Artemis IV mission scheduled to launch in 2028 on the moon's south pole.

Colorado entrepreneur and consultant JB Holston will shadow current director Angie Paccione before taking over the higher education department on Jan.

9 as part of Gov. Polis’ plan to merge higher education + workforce development agencies.

Fourth-graders at Inspire Elementary School in Central Park met four baby goats Tuesday as part of a school farm program with Denver Public Schools + SustainEd Farms that teaches about sustainability and nutrition.

Construction on the 200-foot-wide Greenland Wildlife Overpass is complete along I-25 in Douglas County, providing a safe crossing for elk, pronghorn, and other animals.

The $15 million project, largely funded by a federal grant, aims to cut wildlife-vehicle crashes by 90 percent.

CommonSpirit St. Anthony Hospital in Lakewood is preparing for potential public safety power shutoffs that may cancel outpatient appointments because hospital president Kevin Cullinan showed backup generators Tuesday + said they would support emergency services only, leaving clinics without power if Xcel Energy triggers shutoffs in Jefferson County.