Meanwhile, Newsweek has compared how different countries' nuclear weapons compare, by using maps produced by Alex Wellerstein ...

Sullivan made his remarks when questioned about a New York Times article last month that said some unidentified Western ...

The United States is not considering returning to Ukraine the nuclear weapons the country previously agreed to give up under ...

Providing Ukraine with nuclear weapons, which it willingly gave up in the early 1990s, is not considered part of the United ...

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

Pervomaisk is home to one of two former intercontinental ballistic missile bases that Ukraine inherited from the Soviet Union ...

"The relationship between nuclear weapons and human security is similar to that of the relationship between economic ...

The United States is not considering returning to Ukraine the nuclear weapons it gave up after the Soviet Union collapsed, ...

Deterrence is impossible if U.S. strategic offensive forces cannot target the full range of enemy nuclear forces, ...

Discussion in the West about arming Ukraine with nuclear weapons is "absolutely irresponsible", Kremlin spokesman Dmitry ...

U.S. National Security Advisor Jake Sullivan has denied reports that the Biden administration is open to returning nuclear ...