Moscow’s use of an intermediate-range ballistic missile sends its own powerful signal about Putin’s determination to prevail ...

Zelenskyy characterized his conversations with Trump during a visit to New York in September as "warm, good, constructive." ...

Public support for nuclear power is the highest its been in more than a decade as the nation struggles to reduce its reliance ...

The Russian president recently updated Moscow's nuclear doctrine, lowering the threshold for an unconventional strike. Putin ...

Scientists at Los Alamos National Laboratory have conducted the first HALEU criticality experiment in over two decades.

When the late Henry Kissinger — who died a year ago, on Nov. 29 — published his essay “How the Enlightenment Ends” in June ...

Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental ...

Iran will enrich uranium with thousands of advanced centrifuges at two nuclear facilities, U.N. atomic energy agency says, ...

A possible resumption of nuclear weapons tests by Moscow remains an open question in view of hostile U.S. policies, a senior ...

Moscow has increasingly hit critical substations linked to nuclear power plants in an effort to disconnect them. At the same ...

"I just have to remind you,” she slurred. “Don’t let anybody take your power from you.” As usual, no one knew what she was ...