Charlie Brennan

JPSS-1 has been powered-on for the first time, advancing the polar-orbiting environmental satellite toward environmental testing and delivery in 2016.

Boulder’s Ball Aerospace, NOAA primed for polar-orbiting satellite launch has been seven years in the planning

November 13, 2017 at 10:29 a.m.

The Joint Polar Satellite System was built by Boulder's Ball Aerospace and will feed National Weather Service models.

Dawn Geslao enjoys cross country skiing on Thursday along Waldrop Trail at Brainard Lake near Ward. The town, which sits at 9,420 feet in Boulder County, got 2.9 inches of snow, according to the National Weather Service. The first snowfall of the season left about 1-2 inches in the foothills of the Front Range, with more in the mountains.

Brainard Lake Road construction to put chill on high country recreation this winter

November 10, 2017 at 8:14 a.m.

Road construction will cut off access to Brainard Lake, one of Boulder County's most popular destinations for snowshoeing and cross-country skiing, on most days through the end of June.

Retired U.S. Army Major Donald Reininger holds a photograph of a nuclear test he was part of as a Second Lieutenant while being interviewed at his home in Louisville on Wednesday. Reininger served in the U.S. Army as a tank operator and an aviator during the Korean War.

Words of war resonate with Boulder area veterans of Korean conflict

November 4, 2017 at 11:02 p.m.

In a September speech to the United Nations, President Donald Trump threatened to "totally destroy" North Korea, and had previously warned that further antagonism by its leader, Kim Jong-un, would...

Moose, such as this pair spotted by Boulder County's Mud Lake in 2013, are more likely to be seen in riparian environments, whereas elk more typically favor open meadows and dark timber. An elk hunter mistakenly killed a moose on Saturday near the Beaver Creek Trail in the Arapaho National Forest.

Hunter in Boulder County kills moose when he mistakes it for elk

October 25, 2017 at 5:23 p.m.

Hunter who kills cow moose after he mistakes it for elk, then hikes 31/2 miles to self-report his error.

Hurricane Irma looks bad, but Boulder climate scientists are seeing it differently

September 8, 2017 at 7:46 a.m.

As Hurricane Irma barrels toward south Florida as a Category 5 storm, it's being tracked on a different scale from Boulder, where on Thursday it registered a slightly more modest...

The National Center for Atmospheric Research's Mesa Laboratory is seen in front of Boulder's foothills on May 7, 2017.

Boulder’s NCAR announces job cuts, program reductions

August 31, 2017 at 8:48 a.m.

Management at Boulder's National Center for Atmospheric Research on Wednesday announced program reductions that will eliminate 18 positions that receive base funding from the National Science Foundation.

Boulder scientists eye link between Harvey, climate change

August 30, 2017 at 7:50 a.m.

The rain was still falling in Texas on Tuesday. But the question of whether human-caused climate change might have contributed to what is now the heaviest five-day rain in the...

Daredevil Dan Edwards. of Longmont, juggles rides a unicycle at the same time on the Pearl Street Mall. Orson Lee, 8, hands Dan his sword for juggling.

Pearl Street Mall, Boulder’s pulsing heart, turns 40

August 6, 2017 at 1:24 p.m.

Boulder's Pearl Street Mall notches its 40th anniversary Sunday, with official festivities set for Wednesday, to coincide with a聽Bands on the Bricks聽evening.

The mushroom cloud over Hiroshima after the United States dropped an atomic bomb on the city Aug. 6, 1945, near the end of World War II.

CU Boulder researcher says millions would starve to death in nuclear war

July 25, 2017 at 12:07 a.m.

Teams at CU-Boulder and聽Rutgers University are for the first time studying how nuclear war would affect agriculture, the oceanic food chain, migration activity and food availability.

Bear killed following attack near Ward had human DNA on its claws

July 14, 2017 at 8:38 p.m.

Wildlife officers killed a bear believed to have attacked a teenager at a camp near Ward. The necropsy found human DNA on its claws.

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