Tornado watches have been issued for more than 35 million Americans along the East Coast. Residents are being urged to ...

Tiny fossils from Hokkaido are revealing a surprisingly mobile ancient ocean during a warmer world. A team led by researchers ...

A new study, led by Woods Hole Oceanographic Institution (WHOI) and Columbia University, identifies a diverse set of ...

A new study analyzing more than 2,300 seawater samples from around the world has found that human-made chemicals — from ...

Biological matter left behind in the water allows us to follow these animals without ever setting eyes on them.

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

The Gulf of Panama’s seasonal upwelling failed in 2025 for the first time in at least 40 years, breaking a long-standing ocean pattern.

With Iran threatening to attack, points of entry to the strait are ready to turn into sprawling maritime parking lots, filled ...

Old World War II bombs resting on the Baltic Sea floor reveal a remarkable marine ecosystem teeming with life.

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...