For decades, scientists believed that lead-208, a "doubly magic" and highly stable atomic nucleus, was perfectly spherical.

In a surprising turn of events, an international team of scientists has found that lead-208 (208Pb), the heaviest known ...

An experiment bludgeoning special lead atoms with high-speed ... stable against nuclear decay; 208 Pb is the heaviest known stable isotope of any element; as such, it's considered an important ...