This month, the Department of Energy’s National Nuclear Security Administration (NNSA) will measure naturally occurring background radiation levels as part of a radiation assessment that will cover an ...

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides important answers to the question of how the first galaxies were able to ...

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 ...

Coloradans are subjected to, on average, four times more naturally occurring radiation than the average American. It is the price of living in a mountainous and geologically rich region, but the full ...

A new map offers a new perspective on the city, revealing the steady, ever-present natural radiation emerging from the ground ...