Back in the 1970s, same-sex marriage was illegal in the U.S. But one day, a gay couple walked into the Boulder County clerk’s office and asked for a marriage license. And the county clerk gave them one. It was a historic moment.

The Colorado River – which supplies water to about 40 million people – is under new management. Federal officials announced recently they’ll take control of how that water is shared among the seven states that rely on the river. The decision comes after years of negotiations over how the water is divided – and years of drought that have reduced the amount of water in the river.

Early in the Iraq War, Tom Mowle was a political science professor at the Air Force Academy in Colorado Springs. He answered a call from military leaders for strategic advice – and found himself living on a base in Iraq in 2004. Tom talks about the hard lessons from Iraq that he writes about in his new book – and how leaders might apply those lessons to the current conflict with Iran.

Scientists at the National Center for Atmospheric Research in Boulder have faced months of uncertainty. That’s because the Trump administration has worked to dismantle NCAR, a hub of climate and weather research. But last week, a federal judge handed NCAR supporters a big victory – though it’s a temporary one. We dig into the judge’s decision.

Aggressive moose can be a real hazard for hikers in Colorado this time of year. But there are steps you can take to stay safe. For starters, give plenty of room to any moose you encounter on the trail. We’ll learn more about moose in Colorado, and how to stay safe around them.

Ozone alerts and wildfires affect the outdoor air quality in Colorado during the summer. But an air quality expert from CSU says the air inside your home deserves some attention too. So we asked her for advice on how to keep the indoor air you breathe clean and clear.

The soldiers who fought some of World War II’s most pivotal battles trained for combat high in the mountains at Camp Hale in Colorado. But after the war, many of them continued to make history. We look at how the veterans from Camp Hale went on to transform outdoor recreation in Colorado – from innovative gear to the state’s ski industry.

During World War II, the US Army built a unique training ground in the mountains near Leadville. Thousands of soldiers trained at Camp Hale for combat in extreme alpine conditions – and helped secure key victories in the war. A look at a new exhibit exploring the lives of the soldiers who trained in the mountains of Colorado.

Doctors in Colorado continue to treat an alarming number of young people for anxiety, depression and panic attacks. So a reporter recently spent time with an unusual group of people: An advisory council made up of teenagers who offer advice to state leaders on how to promote better mental health. We’ll hear what kinds of advice she heard.

Colorado has played a starring role in many films, from Butch Cassidy and the Sundance Kid – to Dumb and Dumber. This summer, a film festival will bring movies with Colorado connections to theaters across the state. A look at Colorado’s film history as the state gears up for its 150th birthday.