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For the first time ever, Denver will host an international solar home building competition run by the U.S. Department of Energy. The 2017 Solar Decathlon…

Wyoming is fighting hard to keep its coal on the market in the future, no matter the form. Why? Because, according to Wyoming's Economic Analysis…

In the rugged peaks outside Silverton, Colorado sits a prime example of the future of hydropower. It's not a behemoth new dam blocking one of America's…

On a windy August day outside of Fort Collins, three Colorado State University students crouch in a field, harvesting a crop by hand. The plants in the…

Drivers will find this summer's gas prices are lower than last year's, the result of a spike in crude oil production. Government forecasters say a gallon of regular gasoline will cost about $3.50 this summer — a slide of more than 10 cents from last year.

The founders of financially troubled Fisker Automotive were grilled by Republican lawmakers on Capitol Hill Wednesday. The electric car maker received a $529 million loan from the Department of Energy in 2009. The carmaker is now on the edge of collapse. Fisker has laid off most of its employees and hired bankruptcy advisers.

A giant reservoir of natural gas lies under the ocean floor, and no one had successfully extracted it until this week. Japanese engineers pulled it up through a well from under the Pacific. But there are still lots of unanswered questions about the viability of this new gas supply.

It might seem like a no-brainer to have an individual with a strong science background at the helm of a federal department that oversees a lot of complex science projects, like maintaining the nation's nuclear weapons labs. But Washington isn't a city that necessarily does no-brainers well.

President Obama named a new Department of Energy secretary, a new budget director and a new head for the Environmental Protection Agency on Monday. All three will require confirmation by the Senate.

President Obama rounds out his Cabinet for his second term, nominating three new leaders Monday: Walmart Foundation's Sylvia Mathews Burwell for budget chief, MIT scientist Ernest Moniz to head the Energy Department and veteran regulator Gina McCarthy to run the EPA — a post that's likely be a lightning rod during Senate confirmations.