A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually ...

Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...

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Atomic and molecular physics addresses the structure and interactions of atoms and molecules, uniting quantum theory with experimental observation to explain phenomena from spectral lines to collision ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

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 ...

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 ...

University of Queensland researchers have made a breakthrough in muonic atom research, clearing the way for new nuclear physics experiments. A team at the UQ School of Mathematics and Physics has ...

In nuclear physics, "magic numbers" identify specific numbers of protons or neutrons that lead to especially stable nuclei. Recognizing these numbers helps scientists better understand the structure ...

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