On today's newscast: Colorado Parks and Wildlife has a new plan focused on supporting beaver populations; in discussing the gender gap in art, one Aspen gallery is challenging a system where women remain underrepresented and undervalued; and a massive amount of water will likely have to be sent downstream this spring from reservoirs in the upper Colorado River basin to help save Lake Powell from drying up. Tune in for these stories and more.

A long-term study of the world's largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate equivalent of a "civil war."

The year began with many people becoming U.S. citizens, but by December, fewer people were doing so, driven by ramped-up scrutiny of applications and eroding trust in the system.

Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype.

Federal regulators want airlines to cut the number of flights at O'Hare Airport in Chicago this summer. It's an unusual move, sparked by a turf war between two major airlines with hubs at the airport.

Last year, Congress approved $75 billion for immigration enforcement. That money has allowed ICE to operate nearly unfettered during a record-long shutdown of the Department of Homeland Security.

The U.S. military said Sunday that it blew up two boats accused of smuggling drugs in the eastern Pacific Ocean, as the Trump administration pursues its campaign against alleged traffickers in Latin America.