Though countries have strict policies against building nuclear weapons, contained in The Treaty on the Prohibition of Nuclear Weapons (TPNW), ...

The call, scheduled for Tuesday, will be the first known conversation between the two leaders since Mr. Putin laid out numerous conditions for a cease-fire with Ukraine.

The Russian president said he would agree to end the war but warned he had "serious questions" about how the ceasefire would ...

The company that owns Three Mile Island took another step Monday toward possibly getting the nuclear power plant back online.

US President Donald Trump says "many elements" of a peace agreement in Ukraine have been agreed with his Russian counterpart, ...