Colorado Sun

In a video posted to Reddit this summer, Lucie Rosenthal’s face starts focused and uncertain, looking intently into the camera, before it h...

Tamara ChuangBusiness/Technology ReporterWhen it comes to adopting artificial intelligence technology for the city...

Wildlife officials said a Trinidad man shot and killed two black bear cubs that were eating his chickens outside his home Tuesday, and that...

Prosecutors seeking to convict a schizophrenic man in the killings of 10 people inside a Boulder King Soopers implored a jury during closin...

Colorado voters are poised to approve a measure on the November ballot that would change most of the state’s primaries so candidates fr...

Good morning, Sunriser readers. I’ve been on the road most of this week for some upcoming stories, and got to spend time over in Wes...

DON’T MISS: TODAY is that last day to get your tickets to SunFest next week. As a Colorado Sun member, you’ll get a big discount....

BOULDER — New technology allowing firefighters to “smell” points of origin and locate hot spots or new fires even before smoke can be seen...

Condor #1061 had already beaten the stiff odds. Long one of the world’s most endangered species, there are fewer than 400 California co...

Rescuers in Grand County agonized over their decision earlier this month to end the work to recover the body of a hiker who fell dow...

The political worlds of Aurora Mayor Mike Coffman and former President Donald Trump are set to collide once again.Trump this wee...

Yes.The percentage of Latina doctors in the U.S. has held at 2% for several years, even as Latinas accounted for 17% of all women her...

Bills focused on water quality, agricultural exemptions and wolf depredation claims received early legislative support Wednesday while an e...

Myra has missed 30 years of her life, due to a coma, but has found a new friendship with her young neighbor, Ossie. Together, they both are...

The Colorado Sun is a nonpartisan news organization, and the opinions of columnists and editorial writers do not reflect the opin...

As the largest city in a state that passed the nation’s first law regulating the potential impact of artificial intelligence on consumers l...

After Colorado lawmakers passed four rounds of tax cuts in 10 months, the state now faces a $900 million budget hole.The tax cuts are k...

Sneak Peek of the WeekGrand County rescuers agonized over call to end body recovery mission on Arikaree Peak as mountain runners...

After Colorado lawmakers passed four rounds of tax cuts in 10 months, the state now faces a $900 million budget hole.The tax cuts are k...

Good morning, Colorado. I’m coming to you from slightly chilly Boulder, where I’ve just recently moved from Denver.Moving is alw...

Breaking the chain: the innovative new ways to eatWhen: 1:45-2:45 p.m.Where: SIE 2015 | Second FloorModerator: Olivia Prentzel and Pa...

Immigrants, migrants and refugees: A conversation about efforts to assimilate newcomers to ColoradoWhen: 3-4 p.m.Where: SIE 1150 | Fi...

A weeklong roundup of wild horses in western Colorado ended Wednesday with the capture of about 140 mustangs and three horse deaths, includ...

Reviving the highly endangered black-footed ferret through capture, encouragement and even cloning, after the species as good as disappeare...

Firefighters with boots on the ground made progress on the eastern edge of the Pearl fire Wednesday despite gusty winds that made it unsafe...