Researchers analyze the ratios of calcium isotopes in bones and fossils to learn more about what dinosaurs once ate. Credit: ...

A new experiment using rare-isotope beams has provided new insight into the origin of proton-rich isotopes known as p-nuclei.

Geoscientists are using ancient chert rocks from the Pacific's Shatsky Rise to understand Earth's thermal history. Oxygen isotopes within these silica-rich rocks act as tiny thermometers, revealing ...