Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows ...

Kelp once formed “underwater rainforests” on the California coast, but these fragile ecosystems have largely disappeared. At a marine lab near the Bay Area, scientists are trying to bring them back.

Kelp forests have declined across the world and governments, organizations and businesses are mounting ambitious efforts to protect and restore 9 million acres of kelp globally by 2040. Still, the ...

The Santa Barbara Channel’s kelp forests and its sandy beaches are intimately connected. Giant kelp, the foundation species of rocky reefs, serves as a major part of the beach food web as fronds of ...

Researchers examining a century of ocean maps made an exciting discovery linking sea otter populations to kelp forests: Where sea otters thrive, so do these critical underwater habitats. The research ...

SAN JOSE, Calif. — The weathered UC Davis Marine Laboratory looms in thick fog on the edge of the ocean near Bodega Bay. Inside, an experiment is playing out that gives a badly needed boost to ...

The kelp forest is ephemeral, yet foundational. Fronds of this fast-growing giant seaweed come and go with the seasons, storms and waves, supporting communities of fish, invertebrates and even mammals ...

Ripple, Splash and Tidy do their best to clean the Kelp Forest before it is too late. After putting some orange sea stars in the Kelp Forest where they don’t belong, Splash, Ripple, and Tidy must get ...

A sea otter floating above ribbons of kelp is undoubtedly one of nature’s cutest scenes. It’s well known that the marine ...