A vast hidden ocean may lie 400 miles beneath Earth’s surface—trapped inside the mineral ringwoodite. This discovery could ...

The Trump administration says it will consider selling leases to extract minerals from the seabed off the South Pacific island of American Samoa.

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the red ...

A LOST Martian ocean may be hiding beneath the red planet’s surface. Today Mars is a cold and dry desert – but it may have ...

The research calculates that this so-called hidden water might flood Mars with a worldwide ocean as much as 520 to 780 meters ...

There might be a hidden ocean's worth of liquid water below the surface of ... or become locked in hydrated minerals within the planet's crust, the researchers said. However, these methods of ...