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 ...

The United States federal government is channeling billions of dollars into keeping existing nuclear plants running, restarting shuttered reactors, and clearing the regulatory path for advanced ...

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 ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger nuclear warheads.

China rejected allegations from the US that it is conducting nuclear explosive tests and has undertaken an "unprecedented" ...

Beijing and Moscow build their arsenals while the U.S. restrains itself.

State Department alleges China conducted nuclear test in 2020, reigniting debate over U.S. testing moratorium and ...

Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site.

VIENNA, Feb. 11 (Xinhua) -- The recent U.S. accusation of Chinese nuclear explosive tests is completely groundless, said Li Song, permanent representative of China to the United Nations and other ...

Right now, there are over 400 nuclear power plants operating in 20 countries. Could they be ticking time bombs? Possibly ...

The administration seems to think that when it comes to nuclear weapons, more is better. With New START gone, the Navy is studying whether to reopen disabled launch tubes on Ohio-class submarines and ...