Oceanic ecosystems are increasingly threatened by global warming, which causes coral bleaching, species migration and, ...

The oceans are overheating and scientists say a climate tipping point may be here, according to the American Association for the Advancement of Science.

Life in the ocean runs on light. It fuels photosynthesis, shapes food webs and determines where many marine species can live.

Common ocean bacteria struggle to divide when conditions change, reshaping how warming seas affect ecosystems.

Add Yahoo as a preferred source to see more of our stories on Google. Our planet is sick, and its life-threatening symptoms are getting worse, a new report warns. Earth has been pushed past multiple ...

The marine biologists of the Schmidt Ocean Institute are a busy bunch. Over the last few years, scientists aboard the research vessel Falkor (too) have spotted rare Antarctic squid, discovered ...

Fewer people have been to the deepest parts of the ocean than have walked on the surface of the moon. Researchers at Carnegie Mellon University's Center for Transformational Play are hoping a virtual ...

Climate change may be increasing the spread of a neurotoxin, methylmercury, in the ocean. A recent study at Umeå University (Sweden) has revealed that climate-driven oxygen loss in the Black Sea ...

Oceans absorb about a quarter of the carbon dioxide released by human activity every year, slowing the pace of global warming ...

A six-year analysis of marine microbes in coastal California waters has overturned long-held assumptions about how the ocean's smallest organisms interact.

As oceans warm, marine predators are increasingly forced to eat smaller prey, leaving them working harder for less energy.

The understanding of jellyfish ecology has broadened considerably in recent years, reshaping our perceptions of marine ecosystems. Once deemed trophic dead ends with minimal influence, jellyfish are ...