Climate engineering would alter the oceans, reshaping marine life. A new study examines the risks.
The deepest recorded cold Arctic vent is a living surprise, researchers say.
The converging waves swirl until they finally break into a 130-foot pillar of saltwater, in a process that scientists have yet to fully explain.
Tiny poops are supposed to sink to the seafloor, locking away carbon. But scientists have found that warm spells are disrupting that flushing.