In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.

CAMBRIDGE — Kelp-based foods are making their way onto K-12 school lunch menus — to some surprising reviews. “It’s like heaven on earth,” Agustina Leon Perdomo, a 16-year-old junior at ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making ...

In Alaska, the team at Native Conservancy harvests kelp and prepares a traditional feast. In Alaska, the team at Native Conservancy harvests regenerative kelp in Prince William Sound. Native ...

The kelp forests that hug the Pacific coastline are an underwater jungle. They're a thicket of colossal algae intermixed with a pageant of life that includes snails, urchins, sea lions, sea otters ...

Forests of kelp, a fast-growing brown algae, provide food and habitat for hundreds of marine species and absorb greenhouse gases that might otherwise hasten climate change. Yet kelp is also highly ...

Kelp farming has been growing in the U.S. in recent years. In 2021, New York Gov. Kathy Hochul signed legislation to permit kelp cultivation and to restore water quality and marine life habitats.

Salomé Buglass discovered an unexpected kelp forest while studying underwater mountains in the Galapagos. Kelp—a type of seaweed—usually grows in shallower, cooler areas. So why was an entire ...

A 100-acre Alaskan operation owned by Premium Aquatics, which sells its bounty under the brand Seagrove Kelp Co, has become the largest kelp farm in the U.S in the four years since its founding.

Bull kelp colonization is a high-stakes game of first come, first served. At any one time, there are an estimated 70 million individual chunks of bull kelp riding the currents of the Southern Ocean.