Blue sharks don't dive as deeply in low-oxygen waters—which become more prevalent as oceans warm—effectively pushing them into areas of high fishing pressure.

Birds drifting on the surface of the sea could provide valuable data for oceanographers.

A mysterious migration is coming to light after more than a century of study.

Researchers are using high-tech solutions to bring the lifecycle of the European eel into sharper focus.

Irish researchers convert seals into remote oceanographic sensors by attaching tags containing temperature probes and other technologies to their heads.

A cetacean succumbed to a fungal infection shortly after being darted by researchers seeking to learn more about the species’ migrations and population dynamics.