People like to think of rocks as heavy, stable, unchanging things, but rocks can be volatile objects in particular situations. While it might take years for a river to smooth the edges of a jagged ...

Add Yahoo as a preferred source to see more of our stories on Google. Deep-sea mining may still be in its infancy, but scientists and environmentalists are already raising the alarm about the risks.

Scientists aboard the Scripps research vessel Roger Revelle this week solved a 45-year-old geological mystery. In 1960, Scripps oceanographer Dale Krause reported the discovery of extraordinary ...