Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

Scientists have uncovered an unexpected breakdown of nuclear order in a remarkably symmetric atom, challenging long-standing ...

Scientists from around the world gathered in Hiroshima in November with the aim of charting a path toward a world free of ...

Particle and nuclear physics evokes evokes images of huge accelerators probing the extremes of matter. But in this round-up ...

That all changed on Feb. 11, 1939, with a letter to the editor of Nature – a premier international scientific journal – that described exactly how such a thing could occur and even named it fission.

A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

Two billion years before we made history and split the atom, the Earth had already accomplished it and was running its own ...

The time is nigh for nuclear clocks. In a first, scientists have used a tabletop laser to bump an atomic nucleus into a higher energy state. It’s a feat that sets scientists on a path toward creating ...

Exotic hypothetical particles known as axions could potentially be produced inside a nuclear reactor, something The Big Bang ...

The nucleus of an atom is now the modern version of sand flowing through an hourglass. Researchers have spent 15 years trying to increase accuracy in timekeeping. The U.S. standard currently relies on ...