President Donald Trump promised that “America First” would stand against more foreign entanglements. Yet he's intervened with ...

Matt Korda, the associate director of the Nuclear Information Project at the Federation of American Scientists, assisted USA ...

Campbell, a Democrat who stunned his party by joining the Republican Party, stood out in Congress as much for his ...

A fast-moving brush fire near the Broomfield–Boulder county line prompted evacuation orders for parts of Louisville and ...

Two brothers, both mechanical engineers — one of them in Seattle — are climbing many of the world’s tall peaks to prove they ...

Places in Utah, Colorado and Nevada are among those that have seen the starkest drops in their under-5 shares of the ...

Hidden deep in Colorado's Rocky Mountains, this former mining town is now an epic escape that offers high-elevation trails ...

There is a mismatch between wildfire risk and mitigation resources across Colorado, Colorado State University researchers ...

With Christmas Eve already upon us, many parents and children might already be tracking Santa Claus and his team of nine ...

A grass fire burning in Boulder County near the Broomfield border is moving northeast from Louisville, prompting evacuations ...

Trump promised his voters that “America First” would stand against more foreign entanglements. Instead, he intervened with ...