Boulder's longest unsolved homicide: Who killed Officer Elmer Cobb?

Boulder places boulder on popular Reservoir bike route. Cyclists want answers.

The city says cyclists can still use the route. Initial signs and emails suggested otherwise.

Boulder must roughly double emissions-cutting pace to reach 2030 climate goal

Boulder's updated Climate Action Plan outlines the city's latest climate strategy, while emissions data shows the city is not on pace to reduce greenhouse gas emissions 70% below 2018 levels by 2030.

Hotel Boulderado workers launch union drive, citing layoffs and cuts under new ownership

Workers say layoffs, reduced hours and other cost-cutting measures since AJ Capital bought the hotel are pushing out longtime employees and hurting the guest experience.

Boulder CU regent race sees endorsement switch, apology after Reddit controversy

The developments come days before the Democratic primary, as questions remain about what happened before the fake Reddit post was published.

Colorado limited solitary confinement for people with mental illness. Boulder County keeps using it.

Despite a 2021 Colorado law meant to curb solitary confinement, judges almost always approve requests to isolate people with serious mental illness, often because there is nowhere else to send them.