Department of Energy

As more details between the U.S. and Ukraine surface during impeachment investigations, Perry's travels to Ukraine are under question.

The private and public sectors must work together to develop the breakthrough technologies needed for a clean energy transition. Putting a price on carbon is needed because demand drives innovation.

The Trump administration admitted it had made seven approvals for the sharing of technological information with Saudi Arabia without telling Congress.

The president's plan to subsidize coal and nuclear power would interfere with free markets, says energy market regulator.

Smart windows become tinted in the sunlight—which could have twofold benefits.

He will head up the office that once was tasked to see out former President Barack Obama's climate change initiatives

The former Texas governor has pledged to renew America's nuclear weapons arsenal.

"The questionnaire was not authorized or part of our standard protocol," Trump spokesman Sean Spicer said.

No, the Energy Department isn't really chasing scary monsters or opening portals to other dimensions.