Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

For decades the 'club' of nations with nuclear weapons has been limited to nine members. But fears Donald Trump could ...

The U.S. is the biggest nuclear power in Europe, but doubts about Washington’s commitment has leaders questioning their ...

Will Iran build its first nuclear bomb or will it reach a deal with the West? A journalist from the Euronews Persian Service ...

U.S. President Donald Trump has raised eyebrows with his suggestion that American interests could somehow take control of ...