Physicists working with molybdenum-84, a nucleus containing exactly 42 protons and 42 neutrons, have found that this seemingly balanced atom defies one of nuclear physics’ longest-standing ...

Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number ...

She laid much of the theoretical groundwork for the atomic bomb, although she did not participate directly in its production.