Climate change is already fueling dangerous heat waves, raising sea levels and transforming the oceans. Even if countries ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

More than a fifth of the global ocean has gradually lost underwater light. But short, intense “marine darkwaves” can be just ...

Discover the top six most important decomposers in the ocean and their vital role in breaking down organic matter and ...

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

Brine pools, extremely salty, oxygen-free underwater lakes, are lethal to most marine life but teem with resilient microbes.

Earth’s oceans cover roughly 70% of the surface. Beneath the mesmerizing surface, marine life is being captured by nets, traps and other human-made hazards. In the process of struggling to escape, ...

The oceans are losing their light – and with it, possibly their life. A new study reveals more than 20% of the Earth's oceans, an area larger than Asia, has darkened over the last two decades. These ...

Encouraged by these results, Dudin, Dey, Guichard, and Hamel launched a close collaboration. Three years later, their work has produced near-encyclopedic insight into hundreds of protist species and ...

The coral reefs of Palmyra Atoll, part of Pacific Islands Heritage Marine National Monument, provide nurseries for many fish species. Andrew S. Wright/U.S. Fish and Wildlife Service via Flickr, CC ...