Earth's oceans may seem like an expanse of the same water to us, but try telling that to a sea turtle or a whale shark. To trace the invisible routes that more than 100 migratory marine species ...

Open-source, ship-tracking data showed China has recently sent three research vessels to the Indian Ocean to survey the strategic waters that border its competitor India. All three vessels were ...

A critical measure of the ocean’s health suggests that the world’s marine systems are in greater peril than scientists had previously realized and that parts of the ocean have already reached ...

From the Atlantic to the Pacific, beachgoers are being warned to stay out of the water as a surge of hazardous ocean conditions triggers advisories across U.S. coastlines this week. The National ...