Parsons, Kansas, may be the site of a California startup's first ever 1-mile-deep nuclear reactor - with support from county commissioners, both Republican Kansas U.S. senators and Democratic Gov.

An international team of scientists has identified an unexpected region of heavy, neutron-deficient isotopes in the nuclear chart where nuclear fission is predominantly governed by an asymmetric mode.

An analysis of 42 ancient stars in the Milky Way reveals the first hints of nuclear fission in the cosmos, hinting at the existence of elements far heavier than anything found naturally on Earth. When ...