A new audit of the Department of Energy’s $34 billion loan guarantee program said the agency doesn’t always follow its own rules

Department of Energy knew the risks of backing Solyndra Inc. with a half-billion dollar loan, a former FBI agent found.

Conservative advocacy ad avoids the facts about Obama administration investments into sustainable energy.

A sizable flow of cash and well-connected lobbyists bolster congressional support for the U.S. nuclear arsenal.

The Department of Energy knew a $535 million loan guarantee to the failed solar-panel maker was risky, a House report says.

How an 82-year-old has upended the lax regulation of the U.S. nuclear weapons establishment.

There's widespread anger on Capitol Hill about a security breach at a vault for nuclear weapons-grade uranium.

The reliability of protections at two key nuclear weapons sites is now unclear.

A $25 billion Department of Energy loan program has not closed a loan in two years amid the specter of Solyndra.

DOE inspector general recommends the nation's 16 national atomic labs be streamlined or shut down.