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

The Russian leader’s use of the missile against Ukraine sends a powerful signal about his intention to weaken NATO and bend ...

Newsweek has looked at the potential fallout of the U.S. using the largest nuclear weapon in its arsenal, the B-83, on ...

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

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

Russia's testing site is located on the remote Novaya Zemlya archipelago in the Arctic Ocean, where the Soviet Union ...

The United States and South Korea have accused the nuclear-armed North of sending more than 10,000 soldiers to help Russia ...

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

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

President-elect Trump’s victory is expected to result in the U.S. exiting the Paris Agreement once again and more broadly ...