Vladimir Putin has opened the door to Russia detonating nuclear bombs in his gravest threat of World War Three yet. If carried out, it would be the first time Russia has conducted nuclear weapons tests since the fall of the Soviet Union.

Few people know the harm nuclear testing can do better than inhabitants of the Marshall Islands which was a US-administered trust territory of the United Nations from 1947 to 1986.

For more than 30 years, major nuclear powers have refrained from testing nuclear bombs. But that streak may soon be over as Russia and the U.S. conduct missile tests and threaten to resume explosions of the most powerful weapons ever devised.

Experts agreed if the U.S. resumed full nuclear weapons tests, other nations would do the same — giving them a chance to catch up on nuclear knowledge.

The W88, estimated to yield 455 kilotons of TNT explosives, is one of the most powerful nuclear warheads in the U.S. arsenal, and is carried on Trident II D5 submarine-launched ballistic missiles (SLBMs) aboard the Navy’s Ohio-class ballistic missile submarines.

The United States is not ready to restart nuclear weapons testing and risks losing ground to China and Russia if it pushes ahead with Donald Trump’s plans, experts believe.

Trump's statement about nuclear testing came about 100 days before the expiration of the New Strategic Arms Reduction Treaty (New Start) in February 2026 - the last remaining nuclear arms treaty between the US and Russia. The agreement limits each country to 1,550 warheads on deployed missiles capable of crossing continents.

When a nuclear bomb detonates, the devastation is immediate and terrifying. But outside the area of total destruction, the dangers don’t vanish—they change. In buildings that remain standing beyond the blast's epicenter, the threat shifts from ...

The governor of Hiroshima hopes those who watch Netflix's "A House of Dynamite" — in which a deadly missile rushes toward Chicago — think about the risks of nuclear weapons and long term effects an attack can have on a community.

Nobel laureate Nihon Hidankyo reportedly sent a letter of protest to the US embassy in Japan after Trump said on Thursday that he had ordered the Pentagon to start nuclear weapons testing to equal China and Russia.