Scientists say the ozone hole over Antarctica is no longer growing, the expectation is that it will take decades to recover.
Professor and State Historian Patty Limerick recounts a debate on CU Boulder's campus in the 1980's about dormitory named after a Coloradan involved in the 1864 Sand Creek Massacre.
The city forester calls EAB the "single most destructive urban pest that Denver will ever have in its urban forest... Once it gets here."
The removal comes two weeks after art collector JoAnn Gonzalez Hickey took down works by 20 international artists that she’d loaned to the museum.
For centuries, actresses have taken on the role of the Prince of Denmark, but some still question if that's messing with a classic.
“Most of us never thought we would see a time when basic monitoring would be something that could be on the table in terms of cuts,” said INSTAAR director Jim White.
Boulder law prohibits any “painting, scratching, or coloring… on any public or private property.” But you can find SMiLE’s artwork on public and private property all over the city.
The county had imposed a drilling moratorium while it updated the rules. That prompted Attorney General Cynthia Coffman to file suit.
A heavy air tanker from Jefferson County and helicopters from the National Guard are among the aircraft ordered to fight the fire Sunday morning.
Biologist Erin Tripp makes a living learning about lichens. She's identified two new species a few minutes drive from her office at the University of Colorado Boulder.