The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

The seventeen chemical elements classified as rare earth metals possess unique magnetic, luminescent, and electrochemical properties that are invaluable for various applications. Despite their name, ...

Editor’s Note: Our usual Digest Editor Jeff Remsburg is taking a rare break — his first extended vacation in years. While he’s away, our team has assembled a stellar roster of guest analysts to keep ...

Earth has never stood still. Over its 4.5 billion years of history, our planet has been reshaped by different cataclysms and climate shifts. The atmosphere went through several changes, oceans froze ...

NORFOLK, Va. — Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to ...

Many believe that climate change is caused by the Industrial Revolution, that it all began with a forge for working brass for buttons built next to a grist mill and sawmills on the Ten Mile River in ...