Southern resident killer whales in the Salish Sea off the U.S. state of Washington have been observed making tools from bull kelp stalks, biting off pieces and using them to massage each other in ...

Can orcas actually make tools, as humans, chimps and other primates do? In research out today by United States and British researchers, we have an answer: yes. Using drones, researchers watched as ...

For the first time, orcas have been seen making and using tools out of seaweed. The reason? Most likely as a form of social ...

What Free Diving in a Kelp Forest Taught Me About an Overlooked but Incredibly Valuable Ecosystem A photographer shares the epiphanies she has had while chronicling ...

Divers recently sought evidence of the Palisades fire's underwater toll, particularly its effect on a vital anchor of the coastal ecosystem: kelp.

“The bull kelp forest that runs along the Oregon coast is a stunningly beautiful and vitally important ecosystem,” says Alanna, who studied biology with a focus on marine science at Oregon ...

A global report into kelp forests has found they are under threat from climate change and conservationists are concerned the vital underwater ecosystems on Australia's coastline are not getting ...

Stanford scientists urge protection of the spectacular kelp forests in Monterey Bay, which are endangered worldwide due to climate change, overharvesting and other human-related factors.

An X-ray reconstruction of a 32-million-year-old fossil kelp holdfast colored to show the base , holdfast and the bivalve shell to which it attached . Credit: Dula Parkinson/Advanced Light Source, ...

An X-ray reconstruction of a 32-million-year-old fossil kelp holdfast colored to show the base (orange), holdfast (yellow) and the bivalve shell to which it attached (blue). Credit: Dula ...