Reptiles
London Zoo Weighs All 14,000 of Its Animals, 'From the Tallest Giraffe to the Tiniest Tadpole'
The annual measurements help zookeepers track each animal's health over time
Turtle Shells Keep a Record of Humans' Nuclear History
Scientists can measure uranium isotopes in tortoise and turtle shells to understand the environmental impact of past nuclear events, a new study reports
How a Victorian Dinosaur Park Became a Time Capsule of Early Paleontology
A new sculpture and an upcoming restoration are breathing life into the Crystal Palace Dinosaurs, one of 19th-century Britain’s most curious creations
A Rare Two-Headed Snake Is Back on Exhibit at a Texas Zoo
Pancho and Lefty, as the western rat snake is known, has now healed from an injury it suffered more than two years ago
200-Million-Year-Old Poop Reveals Parasites That Infected a Crocodile-Like Reptile
The prehistoric fossil could help researchers understand the relationships between parasites and host organisms in the Late Triassic
Nile Crocodiles Recognize and React to the Sound of Crying Babies
The reptiles may be aware that primate infants are in trouble—and an easy meal
Having a Companion Could Help Rattlesnakes Stay Calm
During a stressful event, snakes experienced a smaller spike in heart rate when they were in the presence of another snake, according to a new study
The Lonely Battle to Save Species on a Tiny Speck in the Pacific
As Tern Island, a former military outpost in the Hawaiian archipelago, falls apart and harms turtles, birds, seals and more, scientists wonder what’s next
Scientists Find the 'Extinct' Victorian Earless Dragon, Not Seen Since 1969
Once thought to be gone from the wild, the lizards will now enter a breeding program in an attempt to save them from the brink of extinction
These 'Grinning' Triassic Reptiles Likely Died of Starvation
Sheep-sized rhynchosaurs had an unusual way of chewing plants that wore down their teeth over time
These Long-Necked Marine Reptiles Were Decapitated
Tanystropheus fossils reveal how predators may have snapped the creatures' necks with a powerful, swift bite from above
Australia's Oldest Known Pterosaur Fossils Are From 107 Million Years Ago
The tiny bones include the first one from a juvenile found in the country
Scientists Record the First 'Virgin Birth' in a Crocodile
A female American crocodile living in captivity reproduced without a mate—a finding that suggests dinosaurs might have done the same thing
Unraveling the Mysteries of Oda the Ichthyosaur
Paleontologists used X-rays to identify the 240-million-year-old creature's flattened and fossilized remains
During the 'Great Dying,' This Saber-Toothed Predator Reigned
This ancestor of mammals briefly thrived amid a massive extinction event, hinting at how carnivores may respond to climate change today
After Dinosaurs Went Extinct, These Ten Giant Creatures Roamed the Earth
Though we often think of the “terrible lizards” as behemoths, many later reptiles and mammals also grew to massive sizes
These Lizards Stress-Eat When Loud Military Aircraft Fly Overhead
Colorado checkered whiptails on a U.S. Army base show increased stress levels and altered behavior after noisy jets and helicopters pass by, a study finds
Dinosaurs Were Evolutionary Copycats of These Long-Lost Look-Alikes
Before T. rex and ankylosaurus ruled the Earth, a host of similar Triassic reptiles reigned
Why Did Scientists Wait So Long to Study the Snake Clitoris?
The delay is representative of a major problem in biology: Female and intersex animals are understudied compared with their male counterparts
Scientists Are Injecting Alligator Genes Into Catfish
The technique could help prevent infections in the millions of pounds of farmed catfish raised for human consumption
Page 1 of 11