Outside the small town of Pierce, Colorado, a group of old wells were shut down six years ago when they stopped producing oil. But a startup now wants to repurpose the wells for a geothermal ...

Flames were seen shooting from an oil and gas site in Northern Colorado on Monday afternoon. The flames and thick black smoke were visible from the site located just outside the city limits of ...

Colorado oil and gas regulators will conduct a site-by-site review of 344 oil and gas locations where they say environmental consultants submitted false data on cleanup and restoration work.

A Colorado oil and gas executive will head the U.S. Department of Energy if President-elect Donald Trump's pick is confirmed. Chris Wright is founder and CEO of Liberty Energy, a fracking company ...