Brood parasite babies wriggle in their eggs to build muscle, a study suggests.
A team mapping the seafloor in the northern Red Sea unexpectedly spotted a purpleback flying squid near a previously unknown shipwreck.
Hatchling octopuses are born with tiny, temporary organs that look like microscopic brooms. Researchers may finally have an idea what they do.
The earliest evidence that dinosaurs lived in herds dates to a 192 million-year-old Jurassic graveyard in Argentina.
The footprints of a Triassic dinosaur in Australia convinced scientists that the animal was a giant carnivore, but a new analysis proved otherwise.
Sharks have been around for over 450 million years and have gained some pretty strange traits in that time.
Contraception may be the only key to controlling a population boom in feral hippos living in Colombian rivers near Pablo Escobar's former estate.
Fishers in the Netherlands caught an enormous, bright-yellow catfish recently. The species is common, but the yellow body may be the result of a genetic disorder.
A grizzly bear attacked a photographer's camera trap and the resulting image won the Animals in their Environment category at the 2021 Wildlife Photographer of the Year competition.
This is the first time that scientists have found a fossil of this type on the ancient supercontinent of Gondwana.
More than 90 rattlesnakes were pulled from the foundation of a California home, where the snakes may have been gathering to give birth.
Blackworm blobs can move as one organism by striking a perfect balance between wiggling and clinging, a discovery that could aid the development of soft robotics.
An adorable turtle hatchling that was born with two heads has dazzled its caretakers in Massachusetts — and is thriving, against all odds.
Leprosy, a disease that was previously unknown in non-human primates in the wild, has been detected in two unconnected populations of chimpanzees in West Africa.
Wildlife officers have finally removed a rubber tire from around the neck of a bull elk in Colorado who had been carrying it around for over two years.
Cephalopods are members of a class of marine animals that includes octopuses, squid, cuttlefish and nautiluses.