World demand for rare-earth elements and the metal yttrium—which are crucial for novel electronic equipment and green-energy technologies—is increasing rapidly. Several types of seafloor sediment ...

These strange tubeworms grow like grass along the least likely of places. (MBARI) When gases bubble from vents in the ocean floor, they push mud up into the shape of a cone. Though not as hot as the ...

Japan has pulled off a technical and geopolitical milestone, hauling rare earth-rich mud from the deep Pacific seabed in a test that could reshape the global supply of critical minerals. The operation ...