The Department of Energy said radiation contamination levels on the wasps' nest were over ten times the regulated maximum.

An analysis found the wasp nest's contamination level to be "greater than 10 times the total contamination levels" set in ...

In 1947, Kix cereal ran a promotion for an "Atomic Bomb Ring" that contained radioactive polonium-210, one of the deadliest ...

In physics terms, radiation is simply energy on the move, carried by waves like sunlight or particles like those released by radioactive decay. And since the universe is mostly energy, radiation is ...

Exposure to non-ionizing radiation is not a cause for concern since the energy is not capable of damaging atoms. Ionizing radiation, though, can cause damage to human tissue or genetic material.

But the smallest amount to date that can be X-rayed is an attogram, or roughly 10,000 atoms. That's because the X-ray emission of a single atom is just too weak to be detected—until now.