Electric eels were thought be to solitary hunters, until researchers observed over 100 eels hunting together, releasing coordinated electric attacks on corralled prey.
Healthy mice mirror a companion’s pain or morphine-induced relief. Disrupting certain connections in the brain turns off such empathetic behaviors.
A never-before-seen climbing technique could inspire the creation of new serpentine robots to navigate difficult terrains.
Madagascar’s huntsman spiders use silk to turn two leaves into a cool hollow. Such microhabitats may appeal to the spiders’ prey, a study suggests.
Murder hornets sightings in the Pacific northwest inspired a mix of concern and delight.
Changing where, how and what food is grown could largely avoid biodiversity losses, scientists say.
Experiments with bonobos suggest that humans aren’t the only ones who can feel a sense of mutual responsibility toward other members of their species.
A U.S. mink is so far the only known free-ranging animal to have contracted the coronavirus and likely got infected from a nearby mink farm.
Arctic squirrels not only slow their metabolism while hibernating, but also harvest crucial substances from their muscles.
A carefully crafted leaf can double the volume of a male tree cricket’s song, helping it compete with larger, louder males for females.