Nine countries currently either say they have nuclear weapons or are believed to possess them. The first to have nuclear arms were the five original nuclear weapons states — the United States, Russia, ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

On February 13, President Donald Trump expressed his desire to ”denuclearize” the United States and pursue arms control with China and Russia. Two weeks later, President Trump stated that “it would be ...

The Cold War prospect of global annihilation has faded from consciousness, but the warheads remain. June 4, 2025 Jon B. Wolfsthal is the director of global risk at the Federation of American ...

With or without Iran, the number of nuclear states could double, raising the risk of catastrophe. June 25, 2025 at 7:45 a.m. EDTJust now For 80 years, the United States has invested enormous effort in ...

Experts warn that resumption of full nuclear weapons tests is unnecessary and would undermine the United States' efforts to discourage other nations from testing their own nukes. (Tech. Sgt. Draeke ...

How many nuclear weapons does Russia have in 2025? On August 29th, 1949, the Soviet Union tested its first nuclear weapon—making it the second nuclear power after the United States. The US and the ...

Erin D. Dumbacher is the Stanton nuclear security senior fellow at the Council on Foreign Relations. The United States has the power and a process to respond when it is under nuclear attack, but only ...

As tensions in the Middle East between the US-Israel alliance and Iran intensify each day, the growing risk of countries turning to nuclear arsenals remains a major global concern. Additional active ...

Tensions are growing in east Asia. The threat of a Chinese attack on Taiwan persists and, in recent weeks, North Korea has been testing its long-range missile capabilities. Russia’s reorientation of ...