A veteran worker of the Hanford nuclear site has learned that a car filter removed and tested by a scientist in Boston came up contaminated with the radioactive isotope of americium 241. The worker’s ...

Among the many science toys that have fallen out of fashion since we started getting nervous around things like mercury, chlorinated hydrocarbons, and radiation is the spinthariscope, which let people ...

ALBUQUERQUE, N.M. – Four days after a radiation alert shut the nation's only underground nuclear waste repository, an independent monitoring center said Wednesday it found radioactive isotopes in an ...