For 50 years, a secretive group of government workers has been preparing for the worst. Here's a rare look inside the team that's ready to respond to a nuclear incident anywhere, anytime.

Two U.S. intelligence agencies reportedly support the lab leak theory — with low-to-moderate confidence. No evidence has been shared. Scientists have strong evidence of animal spillover at a market.

Researchers from Georgia Tech are using funding from the U.S Department of Energy to reimagine Atlanta’s electric power infrastructure. Part of the project includes educating communities about energy planning.  

A giant laser facility in Livermore, Calif., says it has created net energy from nuclear fusion. It's an important breakthrough, but fusion power remains a distant dream.

Climate and health policies rely on scientific expertise. But the federal science workforce has been shaped by decades of political interference, underfunding and race and gender bias.