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.

California, which has nearly 21 million acres of national forest, more than any other state except Alaska, has 4,416,000 acres of inventoried roadless land.

Australia’s Great Southern Reef is a crucial, yet endangered, marine ecosystem. This once-flourishing domain, rich with giant kelp forests, is now suffering the consequences of climate-induced sea ...

Visitors to the center will see the new John Crisp Artificial Reef Exhibit and other new exhibits and features ― as well as Belle the balloon fish.

Through footage from a drone more than 100 feet in the sky, the researchers watched orcas yank out sections of the stem of bull kelp, a giant seaweed that forms vast underwater forests in coastal ...

The California sea otter, a keystone species along the central California coast, has faced numerous challenges on its road to recovery from near extinction. While their population has gradually ...