CAIRO (AP) — A recreational submarine taking 45 tourists on an underwater cruise of coral reefs in the Red Sea sank off the Egyptian resort town of Hurghada on Thursday, leaving six Russians ...

Scientists used a simple principle: underwater features like seamounts and abyssal hills are heavier than the surrounding seabed. Because of this extra mass, they exert a slightly stronger ...

In the fall of 2016, we used the DSV Alvin Submersible to explore the 8°20’N seamount chain in the Pacific Ocean. This chain extends ~200 km westward from the East PacificRise near the intersection of ...

Underwater mountains called seamounts and other ocean floor features like their smaller cousins, abyssal hills, influence the movement of heat and nutrients in the deep sea and can attract life.