Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch—and the retinas of their eyes, visible through their ...

This article originally appeared in Knowable Magazine. Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch — and ...

Imagination is the faculty of the mind that adds life and color to our existence, transforming us into the infinitely perplexing, captivating creatures we are—creatures who err, transgress, and suffer ...

The octopus is still, suspended upside down on the glass wall of her tank, just below water level. Her eyes are shut, her eight arms knotted snug behind her head, her pale-gray body gently pulsing.

When Animals Dream: The Hidden World of Animal Consciousness, by philosopher Dr. David M. Peña-Guzmán, is part storytelling and part dense academic text. The book tackles a fascinating topic: Is there ...

"But basically all mammals—rats, dogs, cats—also have REM sleep. And it’s during REM sleep that we take experience and reshape it in novel ways." Reading time 4 minutes An enormous playroom filled ...