Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Police activity near Boulder City closed a freeway off-ramp Saturday afternoon, according to RTC Southern Nevada.

Researchers at the University of Colorado Boulder found that wildfires in Colorado and throughout the western United States can dramatically alter the water quality of rivers and streams up to eigh… ...

Scientists are warning that glaciers melting due to global warming could trigger explosive and potentially deadly volcanic eruptions worldwide. As detailed in a study presented at the Goldschmidt ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...

Here's what's on area stages.Week in theater: Bard in Boulder, teens do ‘Chicago’ at the Dairy and more Boulder County stage productions ...

CU Boulder study: Label accuracy on marijuana products in Colorado varies Researchers find nearly half of marijuana flower products are inaccurately labeled for THC content ...

Stromboli volcano in southern Italy is considered the lighthouse of the Mediterranean because of its constant activity, with minor eruptions that are visible from many points in the surrounding sea.

Residents wear masks as volcanic ash blankets villages near erupting Indonesian volcano Residents are wearing masks to protect themselves from thick volcanic ash that is blanketing several Indonesian ...