Add Yahoo as a preferred source to see more of our stories on Google. (David Muir/Stone/Getty Images) There are several good reasons gold is one of the most valuable metals on Earth. Not least of ...

On a late-summer flight over northern Alaska’s Brooks Range, stretches of river that should look like glass suddenly appear ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

Researchers from the University of South China and Purdue University have successfully employed artificial intelligence (AI) to create a new high-strength, ductile 3D-printable form of steel. The new ...

Imagine leaving your shiny metal bicycle outside in the rain. As water pools on its surfaces, oxygen from the air lingers nearby, and together they begin to quietly attack the metal. The iron in the ...