Coral reefs support fisheries, protect coastal communities, and sustain tourism worldwide. However, rising ocean temperatures and acidification from the climate crisis threaten these ecosystems. Scientists

The frigid depths of the polar oceans exist only in the imagination for most people. Images of stark white ice fields and vast expanses of

Dutch prosecutors have fined the makers of Amazon billionaire Jeff Bezos’s superyacht for its use of dubious Myanmar teak, in the latest instance of authorities

Killer whales (Orcinus orca) are finding a new place to roam in the rapidly changing Arctic Ocean. Though Indigenous people in the region have seen

In the icy waters surrounding Antarctica, small shrimp-like crustaceans called krill (Euphausia superba) swim in swarms of trillions, forming a biomass larger than the entire

Orcas, or killer whales, are the apex predator in the ocean when they work together. A new study documents how a pod of orcas is

Surangel S. Whipps Jr., president of the tiny Pacific island nation of Palau, wants more countries to join him in calling for a moratorium on

Swimming with giant manta rays (Mobula birostris) feels like an underwater dance. Their slow, rhythmic movements are astonishing to Madalena Pereira Cabral. She describes her

July is the peak of melt season in the Arctic. The sun is high and shines for almost 24 hours a day. Air and water