Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types ...

LOS ALAMOS — A sphere of plutonium the size of a grapefruit contains enough energy to erase an entire city from existence. That single fact explains why nuclear weapons remain humanity’s most feared ...

The United States is preparing to mine a rare nuclear resource from some of its most dangerous Cold War legacies, turning aging plutonium waste into fuel for reactors and power for spacecraft. The ...

State environmental regulators will also fine the Energy Department up to $16 million for exceeding safe groundwater standards near the nuclear lab.

Canada’s former top soldier says we need to consider developing nuclear weapons in the name of strategic independence. But that will have massive costs ...