A megapod of dolphins with thousands of individuals has been captured on video hunting flying fish off the coast of Costa Rica.
Winning images from The Nature Conservancy's 2023 Global Photo Contest include a wolf spider in a Maryland park with a hat made of her own babies.
Research on whether animals can recognize themselves in the mirror began in 1970 1 and just a handful of species have since passed the test ever since.
Rats immersed in a VR world played games that could be won only by using imaginative route planning, scientists report.
Footage filmed 1,225 feet beneath the ocean surface shows a goosefish strolling along the seafloor before turning its bulbous head and bulging eyes straight at the camera.
Scientists have described two lamprey fossils with "extensively toothed" mouths from the Jurassic period, shining a light on how this group has evolved into its modern forms since the Devonian.
From bats to hornbills, here are some animals that have historically been associated with death.
Researchers recorded hundreds of facial expressions in cats, finding they're not quite as aloof as previously thought.
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