Naturally occurring radioactive elements are substances whose atomic nuclei are unstable. To become stable, these nuclei spontaneously break down, or decay, by releasing energy in the form of ...

DENVER (KDVR) — There may not be much snow around Colorado right now, but you can find winter wonderlands that bring on the holiday spirit in seasonal bars around the Denver metro area starting soon.

The U.S. Department of the Interior expanded its list of critical minerals Thursday to include new elements, such as copper, silver and uranium, allowing these new minerals to become eligible for ...