The savannah monitor lizard breathes like a bird, prompting scientists to wonder if dinosaurs also breathed this way, a new study says.
The Pacific leaping blenny went from swimmer to landlubber by evolving camouflage to blend into surrounding rocks, a new study says.
Hiding in plain sight, researchers have discovered that a wild cat called the tigrina is actually two separate species.
A mix of dead animals and their feces that float down to the seafloor help keep deep-sea organisms alive, a new study says.
Deep in the forests of Chile, a frog has gone silent, possibly forever—and an epidemic fungus may be the culprit.
The elusive Borneo bay cat and four other rare species of felines have been spotted in logged forests—a good sign, experts say.
In a world where even the smallest spiders can provoke a fearful shriek, the goliath birdeater takes scare tactics to a whole new level.
Let other owls hoot away—this newly discovered species sings “Here Comes the Bride.”
Call it the other Golden Rule: scientists have found that all mammals weighing more than 2.2 pounds (a kilogram) empty their full bladders in 21 seconds.
Move over, Chanel No. 5: Scientists have discovered why the scent of bile is irresistible to female sea lampreys.
It’s no lie—scientists have spotted a lizard whose males have noses like Pinocchio in the Amazon rain forest.
Singing mice in Central America belt out tunes to tell other males not to mess with them, a new study says.
A Papua New Guinea skink may have evolved toxic green blood to fend off malaria-carrying bacteria, a scientist suggests.
Must’ve been a giant Q-tip: Scientists have harvested earwax from a blue whale to learn more about its biology, a new study says.
From the Tom Sawyer spider to the flytrap fungus—see some of National Geographic readers’ name suggestions for what built a mysterious “picket fence” in the Amazon.
The waters off British Columbia are littered with dead starfish, and researchers have no idea what’s causing it.
Strange web-like structures found in the Amazon have scientists baffled—what do you think it is?
A captive chimpanzee and orangutan take to the pool in the first documented video of apes swimming, a new study says.
Scientists have finally found where Waldo was hiding—well, the clam version, that is.
Can urine really treat jellyfish stings? See our readers’ wacky suggestions for urine—and why many aren’t a good idea.
Compost, fuel, water—and now teeth? See the unusual ways urine can be used in everyday life.
Tiny animals called rotifers have a clever survival strategy—and they’re even tough enough to live on Mars, scientists say.
Worms that lose their heads and regrow them remember things from before decapitation—suggesting some memories are held in body tissue, a new study says.
Moths vibrate their genitals to jam bat sonar, making them invisible to the predators, a new study says.
The Hawaiian bobtail squid has an internal alarm clock that’s run by a species of glowing bacteria, a new study shows.