Understanding intelligence in the animal kingdom isn’t as simple as ranking species from most intelligent to least. There’s no universal IQ test that applies across species, and animals demonstrate ...

When your dog reaches out toward the wall, that’s an automatic reflex—like when a doctor taps your knee and your leg jerks ...

Dr. Louis Lefebvre's new book is a must-read, packed with the latest science and vivid storytelling; you'll learn why being ...

Our understanding of how animals think was very limited. Earlier definitions of intelligence missed a lot, but modern ...

For centuries, humans assumed that intelligence was something that set us apart from the rest of the animal kingdom. But new research is rewriting that story. Animal intelligence is proving to be far ...

Recent reports highlight two extremes of animal capabilities — the blue-ringed octopus, a tiny but lethally venomous marine creature, and a range of species displaying remarkable intelligence. From ...

We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.