In early February 2026, the New START US-Russia nuclear pact expired. Known officially as the
Strategic Arms Reduction Treaty, its demise
effectively leaves the two superpowers with no control over their nuclear arsenals.
The ending of this key nuclear treaty releases both Moscow and Washington from a raft of restrictions on their nuclear capabilities, and it couldn't have happened at a worst time, the United Nations has warned.
So, why isn't this vital bilateral agreement being renewed, and what are the potential consequences for world peace? To find out, click on and learn more about the end of START.