Oceans

’Tis the season for hordes of blue jellyfishlike creatures to wash up on California beaches

Greenland’s Steenstrup Glacier doubled its annual ice loss in just a few years, thanks to warm ocean water

In the Great Pacific Garbage Patch, plastic creates strange communities that bring coastal and open-ocean animals together

Sea levels off the southeastern U.S. have risen more than a centimeter a year over the past decade—about triple the global average—and the effects on communities near the Gulf of Mexico and Atlantic Ocean already are being observed

Florida beaches are already receiving hefty batches of brown seaweed, kicking off a year that could break records

The historic High Seas Treaty aims to preserve marine biodiversity in what has been considered the “Wild West” of the oceans while still encouraging research

The vast and deep Southern Ocean complicates efforts to single out the role of climate change in declining sea ice

Scientists partnered with tiger sharks to map seagrass—the unsung hero of ocean conservation.

Climate change is likely at least partially to blame for an uptick in the size and frequency of algal blooms in parts of the world’s oceans

Instead of sucking planet-warming carbon dioxide from the atmosphere, some scientists are looking to capture it from the oceans

The world’s oceans hit their warmest levels on record for the fourth consecutive year in 2022, fueling sea-level rise and contributing to climate disasters

For the sixth year in a row, nations failed to agree on any new marine protected areas in the fragile Southern Ocean around Antarctica