Proposed U.S. space defenses against hypersonic nuclear missiles are unnecessary, impractical and would trigger a dangerous ...

You may think we have too many nuclear weapons. Or you may think we don’t have enough. One thing you most certainly do not think, however, is that we should arbitrarily fire the people who keep these ...

Atomic nuclei exhibit multiple energy scales simultaneously—ranging from hundreds down to fractions of a megaelectronvolt. A new study demonstrates that these drastically different scales can be ...

Called the Lévy walk (or in some cases the Lévy flight) after mathematician Paul Lévy, it is a type of random wandering that ...

Californians will be able to look to the sky to see an unarmed missile as the Air Force is set to launch the Minuteman III ...

The Trump administration has halted DOGE's firings of hundreds of federal employees working on the nation's nuclear weapons programs.

Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. Example ...

Efforts to revive the 2015 deal have since faltered. Iran denies seeking to build nuclear weapons, insisting its program is solely for peaceful purposes. Iranian Foreign Minister Abbas Araghchi ...

The X-shaped building in southwestern China could help China pull ahead in the race to master a futuristic clean energy ...

Humanity is closer to destroying itself, according to atomic scientists who revealed on Tuesday that the famous “Doomsday Clock” was set to 89 seconds to midnight — the closest it has ever been.

China has built a large research center that could boost its nuclear weapons development, according to satellite imagery, adding to Beijing's rapid nuke expansion. Newsweek has emailed both the ...

Ryan Chan is a Newsweek reporter based in Hong Kong, where he previously had over a decade of experience at a local newspaper, covering China and current events around the world. His focus is on ...