Background radiation is the invisible radiation that is always present in our environment. It comes from a variety of sources, both natural and man-made. Natural sources include cosmic rays from space ...

The Big Bang theory is supported by the observed expansion of the universe and the cosmic microwave background radiation. The universe's early moments involved a hot, dense state with the formation of ...

The 4 to 7 percent increase in background radiation poses problems for sensitive scientific instruments. Geiger counters, ...

As is practice with major Las Vegas events, the Department of Energy and National Nuclear Security Administration will begin helicopter radiological surveys Tuesday and Wednesday in advance of the Las ...

It's an unintended consequence of the Atomic Age. Dan Smith shows how nuclear testing inadvertently affected steel production for decades. ☢️ ...