North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

The debut followed the North’s first test of a new surface-to-air missile and the arrival of a U.S. nuclear-powered attack ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.

Many advances in technology spring from the mind of a single genius, but others, like nuclear power, are the product of many ...

A Texas power developer is proposing to use repurposed retired U.S. Navy nuclear reactors from aircraft carriers and ...

North Korea showed Kim Jong-un at a "nuclear submarine" site; analysts: it aims to justify its nuclear push and cast Seoul's ...

Reaching nearly 1,840 feet below the surface, the laboratory’s extreme depth introduced serious safety challenges during ...

Since the Fukushima nuclear accident in 2011, Japan has restarted 14 reactors of its plant that remain operable as it tries ...

The governor of Niigata has formally given local consent to put two reactors at the Kashiwazaki-Kariwa nuclear power plant in the north-central prefecture back online, clearing a last hurdle toward re ...