Einsteinium-255, produced through irradiation in ILL’s high-flux reactor, provided a continuous supply of fermium-255, ...

Scientists have created a groundbreaking map of strontium isotopes found across sub-Saharan Africa—which could help ...

Physicists searching for “dark forces” unexpectedly discovered deformed atomic nuclei. When top research teams collaborate, ...

The number of neutrons determines the isotope of an element. For example, the carbon-12 isotope has 6 protons and 6 neutrons, while the carbon-14 isotope has 6 protons and 8 neutrons. While bound ...

By bombarding thorium with neutrons, activities are obtained which have been ascribed to radium and actinium isotopes 8. Some of these periods are approximately equal to periods of barium and ...

Neutron stars are some of the densest objects in the universe. They are the core of a collapsed megastar that went supernova, have a typical radius of 10 km—just slightly more than the altitude ...

Isotopes are forms of an element that have the same number of protons but different numbers of neutrons. There are three isotopes of hydrogen: hydrogen, deuterium (hydrogen-2) and tritium ...

82 protons and 126 neutrons, making it remarkably stable. But its significance doesn’t end there. Lead-208 is also crucial to understanding the formation of heavy elements in the universe.

Far from the perfect sphere physicists from the University of Surrey expected to find, the heart of the isotope called lead-208 (208 Pb) appears unexpectedly squished. The discovery suggests that ...