The expansion permits Signal Peak Energy to extract nearly 60 million tons of coal from the Bull Mountains mine north of Billings.

Ameren unveils new hybrid energy center combining natural gas and energy storage to supply reliable energy when Missouri needs it most ...

Kitt Peak also played a part in the initial dark-energy discovery in 1998. Some of the preliminary measurements that led to that stunning breakthrough were made using telescopes at the observatory ...

A multimillion-dollar fund is intended to help provide relief to some Marylanders for their energy costs, the governor announced Thursday.

Yet clean, renewable energy — especially solar — is now cheaper, more reliable and local. The dependency on fossil fuels drives up costs in the long-term and keeps Hawaii vulnerable to global ...

There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this energy for anything useful?

The U.S. Interior Department approved a plan by Signal Peak Energy to expand coal mining, providing exports for Japan and South Korea, the agency said on Friday, as it responded to President ...

Signal Peak Energy had separately sued the federal government, saying the Interior Department needed to speed up its approval of the mine’s expansion plans.

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and ...

NV Energy wants to change what customer across the Las Vegas Valley pay for their electricity.

3. Energy And Smart Grids AI-IoT solutions facilitate renewable energy integration, real-time load balancing and reduced transmission losses.

Exclusive op-ed: Democratic gubernatorial hopeful U.S. Rep. Mikie Sherrill outlines her plan to cut utility costs and expand clean energy.