Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Scientists have discovered a vast underground reservoir about 700 kilometers beneath the Earth, trapped inside a mineral called ringwoodite. Unlike the liquid water in oceans and lakes ...

For centuries, sailors have reported the eerie glow of "milky seas" — vast areas of ocean that shine at night like a soft ...

Terms of Service and Privacy Policy. Earth’s oceans may not have always been as brilliantly blue as they are today. In fact, there may have been a time when they ...

We finally know where two giant blobs in Earth's middle layer came from ... known that there are LLVPs — one below the Pacific Ocean and the other below Africa. In these regions, seismic ...