W.J. Hennigan

A top Biden Administration official offered to engage in discussions to stave off a looming arms race

The Navy lift system is designed to recover heavy sunken objects that weigh up to 60,000 pounds.

It's the stuff of nightmares for an American president: the loss of a Russian warhead into the hands of a bad actor

The Department plans to change policies to detect 'insider threats.'

The effort to restart America’s nuclear-weapons manufacturing program is the biggest test since the Manhattan Project.

In the United States, it’s up to one person to decide whether the world becomes engulfed in nuclear war.

Should the U.S. forswear launching nukes first in combat?

The U.S. bombings that ended World War II didn’t mark the close of atomic warfare. They were just the beginning.

The $1.7 trillion overhaul is already underway.

Conversations and insights about the moment.