Many animals have been studied and observed to have an incredible capacity for intelligence. Some of the most commonly cited ...

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows, researchers say. By Emily Anthes For a cow, Veronika has had what might ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Humpback whales might be a lot smarter than we first thought, scientists have found. These marine giants may create and wield their own tools, according to a new paper in the journal Royal Society ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented behavior among marine mammals. This suggests a deeper social and cultural ...

A recent study that shows how cows can use tools recalls the controversial 1982 cartoon from "The Far Side" comic strip called "Cow Tools." In case you haven't heard, cows are using tools now. Well, ...

Intelligence isn’t unique to humans — as the 15 videos of animals solving problems below are about to show you. The animal kingdom is packed with creatures that can solve complex puzzles, use tools, ...

A few years ago, during a taxi ride, the driver described to me how a pig had transformed his life. A childhood with dogs taught him what to expect from animals, yet he was unprepared for the pig he ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...