A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

Hanford nuclear site scientists helped process samples collected by field biologists to determine potential radiological ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

Stafford Sheehan’s new startup Project Omega is working with the U.S. government to turn nuclear waste into “unlimited energy." ...

The U.S. can restore nuclear capability to the entire B-52 bomber fleet, according to ...