departs Tromso, Norway, July 31 for a two-month cruise across the Arctic Ocean, scientists won’t be studying the ice cap but the seafloor far below.

A mid-ocean ridge (MOR) is a seafloor mountain system formed by plate tectonics. It typically has a depth of ~ 2,600 meters (8,500 ft) and rises about two kilometers above the deepest portion of an ...

An international team of earth scientists report movement of warmed sea water through the flat, Pacific Ocean floor off Costa Rica. The movement is greater than that off midocean volcanic ridges. The ...

Europa is a prime candidate for life in our solar system, and its deep saltwater ocean has captivated scientists for decades. But it’s enclosed by an icy shell that could be miles to tens of miles ...

Jupiter’s moon Europa is covered in strange pairs of parallel ridges. Now, researchers have found a similar feature in Greenland and used it to unravel how such ridges form – which may help us ...