In pricey spas, kelp facials and body wraps can set the esthetically inclined human back hundreds of dollars. But in the Salish Sea off British Columbia, southern resident killer whales are also ...

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known identification of “tool” usage by marine mammals.

Chef Andrew Wilkinson of North Coast Seafoods hands out samples of kelp "meatballs" at an Introduction to Global Public Health class. (Photos by Lee Pellegrini) A new nutritious, sustainable, ...

Octopi carry around coconut shells as on-the-go shelters, and otters crack open mussels with rocks. But do marine animals use tools to groom each other? According to one recent study, orcas do ...