From problem-solving to emotional intelligence, these five animals exhibit brainpower that rivals humans.

A coastal wolf uses a buoy and rope to pull a crab trap, revealing planning, memory, and tool-like problem-solving in wild ...

The California scrub-jay, a generally non-social bird, can learn just as well as another species of jay that lives in groups, a finding that surprised animal intelligence researchers who devised a ...

When people think of intelligent animals, they immediately think of dolphins, elephants, and chimpanzees. But one of the most ...

Ivan Vinogradov does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Long before puzzles appeared in newspapers, apps or puzzle books, humans were already puzzling. The moment early humans began ...