Through subterfuge, ingenuity, and an unceasing love of chemistry, 17-year-old boy scout David Hahn more than earned his “atomic energy” merit badge.

“We got neutrons, yeah!” The shout came after years of after-school effort inside a Dallas home, where a seventh grader had been quietly assembling a machine most people only encounter in advanced ...

The Department of Energy has made public a set of new rules that slash environmental and security requirements for experimental nuclear reactors. Last month, NPR reported on the existence of the rules ...