At the Berkeley Pit, researchers hope to extract valuable metals to increase U.S. production of rare earths used in electric ...

Can you believe the periodic table has been around for over 150 years? Take this quiz to see if you can find the elements. What information do we collect from this quiz? What is the periodic table?

Critics say an earthquake could damage the canisters in which nuclear waste will be kept and release highly toxic radioactive emissions. Up on the mountain, that prospect is not rated probable. Says ...