Twenty years after the deadliest wave in recorded history, most oceans have warning systems and communities have learned how best to escape the danger.
The behemoth coral, discovered in October in the Solomon Islands, is longer than a blue whale and older than the United States.
Taking in seawater while filtering out dense salts lets unicellular phytoplankton migrate tens of meters vertically toward sunnier seas.
Over time, atmospheric chemical reactions can make iron in dust from the Sahara easier for organisms to take in, helping to create biodiversity hot spots.
New maps of wind impacts beyond Helene’s ‘cone of uncertainty’ track highlight how a hurricane’s power extends far inland.
The Florida Current, a major contributor to a system of ocean currents that regulate Earth’s climate, has not weakened as much as previously reported.
National Geographic’s documentary series ‘OceanXplorers,’ produced by James Cameron, invites you aboard one of the most advanced research vessels in the world.
Near-annual extreme heat in the Coral Sea, including in 2024, is causing back-to-back mass bleaching events in the iconic Great Barrier Reef.
Instead of sinking from the surface, some deep-sea oxygen may be created by battery-like nodules that split water into hydrogen and oxygen.
For the first time, a scientist has used ocean and atmospheric data to find a milky sea, a huge expanse of luminous water, in past satellite images.
