President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large ...

Estonia's foreign minister has signaled the eastern NATO member was open to having nuclear weapons stationed on its soil.

Tehran has denied it seeks nuclear weapons and said it was willing to accept some curbs in exchange for sanctions relief.

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

Moscow reiterates willingness to adhere to expired nuclear weapons treaty, "as long as the United States does not exceed the ...

Satellite imagery of secretive nuclear facilities reveals Beijing’s efforts to expand its arsenal, just as the last global ...

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald Trump vows to restart U.S. tests.

US intelligence sources have claimed China is transforming it's supply of nuclear weapons to compete with the US ...

This area, known as Lop Nur, or Lop Lake, is often likened by defence experts to Area 51, the fabled compound where the US tests its most classified and cutting-edge aircraft. Isolated and tightly ...

Experts warn that the expiration of a long-standing nuclear arms control treaty between the two superpowers could mark the ...

The report will likely spark fears the world could inch closer to a new conflict, with CNN reporting sources who said China also appears to be developing low-yield, tactical nuclear weapons for the ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.