The United States is home to two species of sea otters that float on the ocean in groups called rafts. Image: Linda Dron. Get the Popular Science daily newsletter💡 ...

A new 30-year analysis reveals that melting land ice is now the main force behind rising global sea levels. Researchers ...

Finalists in the Ocean Photographer of the Year 2025 competition capture beautiful images of animals and people oceans. When you purchase through links on our site, we may earn an affiliate commission ...

Earth’s oceans reached their highest heat levels on record in 2025, absorbing vast amounts of excess energy from the atmosphere. This steady buildup has accelerated since the 1990s and is now driving ...

Big and Small Underwater Faces — 3rd Place. Trips to the Antarctic Peninsula always yield amazing encounters with leopard seals (Hydrurga leptonyx). Boldly approaching me and baring his teeth, this ...

"The ocean surface is definitely not flat. It is constantly changing as wind, waves and swells produce surface undulations, ...

Nicknamed the “king of the kelp forest,” giant sea bass are among scuba divers’ favorite characters to spot off the California Coast. But very few of these charismatic fish remain. A team led by ...

As marine and outdoor education researchers, we wanted to find out whether mixing sail training and Steams (science, technology, engineering, art, mathematics and sustainability) activities can ...

The oceans need more care than they ever have before—and few people are taking on that job with more commitment than Diva Amon. A marine biologist at the Benioff Ocean Science Laboratory at the ...

An international study led by the Institute of Environmental Science and Technology at the Universitat Autònoma de Barcelona (ICTA-UAB), Spain, has investigated how marine ecosystems responded to past ...