LOS ANGELES – Levels of lead and other heavy metals spiked in the coastal waters off Los Angeles after January’s fires, raising serious concerns for the long-term health of fish, marine mammals and ...

Drilling for minerals deep in the ocean could have immense consequences for the tiny animals at the core of the vast marine food web — and ultimately affect fisheries and the food we find on our ...

Scientists are gaining new insights into how plankton supports life on Earth — just as climate change is changing everything. Scientists are gaining new insights into how plankton supports life on ...

Melting Arctic ice is revealing a hidden world of nitrogen-fixing bacteria beneath the surface. These microbes, not the usual cyanobacteria, enrich the ocean with nitrogen, fueling algae growth that ...

A joint research effort among various countries has found microplastics in Indonesian ocean regions up to a depth of 2,450 meters.

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

Predators at the top of a marine food chain 130 million years ago ruled with more power than any modern species, McGill research into a marine ecosystem from the Cretaceous period revealed. The study, ...

A small colored fish pokes out its head from a coral. An Acanthemblemaria Blenny pokes out its head from a coral in the waters of Panama. Credit: Tim Treuer Food chains in the coral reefs of the ...