An underground ocean refers to vast amounts of water stored inside Earth’s mantle rock. It’s not a flowing body of water like a lake or sea.

Scientists say water from the ocean, inside a rock called ringwoodite near earth's core, ... There’s a Huge Underground Ocean That Could Explain the Origin of Seas. 2 minute read. Getty Images.

Evidence of Underground Ocean Found. HOLY CRAP. Three times larger than the seas. ... The water is locked up in the rock about 400 miles beneath Earth’s crust, ...

Beneath Ethiopia, the Earth’s mantle is pulsing like a slow, steady heartbeat, slowly tearing Africa apart and laying the ...

Tides flowing in a subsurface ocean of molten rock, or magma, could explain why Jupiter's moon Io appears to have its volcanoes in the 'wrong' place. New NASA research implies that oceans beneath ...

Computer models show that if Ganymede did not have a subsurface ocean, the changes in Jupiter’s magnetic field should cause the bands of hot, electrically charged gas to rock six degrees over a ...

The action of Jupiter's magnetic field causes auroras on the moon Ganymede to rock back and forth slightly. For a solid body without an electrically conductive sub-surface ocean, theory predicted ...

Tides flowing in a subsurface ocean of molten rock, or magma, could explain why Jupiter's moon Io appears to have its volcanoes in the 'wrong' place. New NASA research implies that oceans beneath ...

Dr. Attias’ work shows that within the rock of the island below the waves, there are underground rivers of fresh water flowing 2-½ miles out into the ocean.