The Latest Breaking News from Boulder

DENVER — The man charged with fatally shooting 10 people inside a Boulder King Soopers store last year remains incompetent to stand trial, further delaying court proceedings that have dragged on for more than a year.

In the waning days of 2021, a grass fire broke out in Boulder County, Colorado. Fueled by extreme drought and high winds, the fire swept through the communities of Superior and Louisville. Within hours, it had destroyed more than a thousand structures — making the Marshall fire the most destructive…

The Colorado college town of Boulder is marking the one-year anniversary of a shooting at a busy supermarket that killed 10 people with flowers and a public remembrance for those who died and those still grieving

BOULDER, Colorado - El doctor Warren Hern no tiene que imaginar lo que pudiera ocurrir a muchas mujeres en Estados Unidos si la Corte Suprema anula el caso Roe contra Wade.

BOULDER, Colo. — Dr. Warren Hern doesn't have to imagine what could befall many women in America if the Supreme Court strikes down Roe v. Wade.

The city of Boulder has had 18 puma reports in the last six weeks. In winter, the predator follows its prey to lower elevations.  

US scientists have measured Albert Einstein's theory of general relativity -- which holds that gravity slows time down -- at the smallest scale ever, demonstrating that clocks tick at different rates when separated by fractions of a millimeter. Jun Ye, of the National Institute of Standards and Technology (NIST) and…

Nearly a year after 10 people were shot and killed at a supermarket in Colorado, the redesigned store in the college town of Boulder is reopening Wednesday

LOS ANGELES — Federal prosecutors have charged a former UCLA lecturer with making criminal threats across state lines in connection with a video he sent students and faculty referencing a mass shooting, which in turn prompted a campus shutdown.