AIKEN, S.C. (AP) — The Department of Energy has chosen an Ohio-based contractor to lead the Savannah River National Lab in South Carolina.

LOS ALAMOS, N.M. (AP) — A $105 million contract has been awarded to Hewlett Packard Enterprise to build a next-generation supercomputer that will be used by the federal government for its nuclear...

PHOENIX (AP) — The U.S. Department of Energy is recognizing nine women for their achievements and leadership in clean energy and one of them is from Arizona.

ALBUQUERQUE, N.M. (AP) — From the deserts of southern New Mexico and Nevada to islands in the Pacific Ocean, the U.S. government conducted dozens of nuclear weapons tests from the 1940s until the early 1960s.

Vintage rolls of film collected from high-security vaults across the country show some of the blasts sending incredible mushroom clouds into the sky and massive fireballs across the landscape. Others start with blinding flashes of light followed by rising columns of smoke in the distance.

ALBUQUERQUE, N.M. (AP) — A former Los Alamos National Laboratory executive has been tapped to lead Sandia National Laboratories under a new management team headed by a subsidiary of Honeywell International.

The team announced the appointment of Stephen Younger as director Wednesday, noting that the National Nuclear Security Administration has cleared the team to begin transition activities as they prepare to take over the Albuquerque-based lab.

Lockheed Martin's current contract expires April 30.

OAKLAND, Calif. (AP) — A former scientist at the Lawrence Livermore National Laboratory will spend more than a year in prison for turning in false data to the federal government in order to receive funding.