The Ancient ‘Terror Crocodiles’ of North America Weren’t Alligators After All, DNA and Fossils Suggest
A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously thought, and it might have thrived by tolerating saltwater
From Massive Eyes to Shark-Like Tails, Seven Amazing Adaptations That Helped Prehistoric Reptiles Thrive at Sea
The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young
Thousands of Giant Tortoises Anchor a Thriving Ecosystem on Aldabra, a Remote Atoll in the Indian Ocean
The animals graze the vegetation into a picturesque turf, fertilize the soil with their dung and disperse seeds over large distances
A Hurricane Swept These Tortoises Across Miles of Ocean to a New Home in Florida—and Now, They’re Thriving
Park rangers say at least 84 gopher tortoises are now living at Fort de Soto Park near St. Petersburg. Prior to Hurricane Helene in September, the local population was around eight
At 97, Endangered Tortoise Becomes Oldest First-Time Mom of Her Species With Four New Hatchlings—and Potentially More on the Way
Proud parents Mommy and Abrazzo are both nearly 100 years old, but they’re contributing to Galápagos tortoise conservation at Philadelphia Zoo
Iguanas Floated a Whopping 5,000 Miles From North America to Fiji on Rafts of Plants in a Record-Setting Trip, Study Suggests
Since most iguana species live in the Americas, biologists have long debated how they could have arrived on the remote Pacific island in the first place
Inside the Herculean Effort to Study and Save the World’s Smallest Sea Turtle
After years of steady gains, a decades-long conservation program dedicated to the Kemp’s ridley hits rough seas
The U.S. Fish and Wildlife Service Wants You to Eat These Giant, Invasive Rodents
As part of National Invasive Species Week, the agency is calling on Americans to “eat the invaders,” including swamp-dwelling nutria
Crocodiles in Australia Are Shifting Their Behavior Because of Climate Change, and It Might Harm Their Ability to Hunt
A new study finds that as temperatures rise, the animals are getting hotter, spending less time diving and putting more effort into cooling off
Dancing Baby Sea Turtles Help Researchers Unravel the Mysteries of Their Navigational Superpowers
Loggerhead turtles can identify specific magnetic signatures, according to a new study, hinting at how the aquatic reptiles manage to return to the same foraging and nesting sites over and over again
Rare Neck Fossil With Puncture Mark Suggests a Prehistoric Crocodilian Snacked on a Young Pterosaur 76 Million Years Ago
The fossil sheds light on interactions within the Cretaceous food web and may represent the first record of this type of predation in North America
Rare Fossil of 183-Million-Year-Old ‘Sea Monster’ Reveals Both Smooth and Scaly Skin
For the first time, scientists have completed an in-depth analysis of fossilized soft tissues from a plesiosaur
Here’s How the Los Angeles Wildfires Are Affecting Animals, From Fish to Snakes to Birds
While scientists were able to save and move some creatures in the aftermath, researchers are worried about the prospects for other species
Six Clever Snakes to Celebrate as We Slither Into the Lunar New Year
These fascinating serpents embody acclaimed qualities including cunning and intelligence
See 25 Incredible Images From the Wildlife Photographer of the Year Contest
Cast your vote for your favorite of the photographs, which are all contenders for the People’s Choice award, through January 29
Sea Turtle With ‘Bubble Butt Syndrome’ Gets Another Chance at Floating Straight, Thanks to a 3D-Printed Harness
Named Charlotte, the animal was hit by a boat years ago, causing him to develop an affliction that traps air bubbles at the back of his shell
Expedition Discovers 27 New Species in Peru, From an ‘Exceedingly Rare’ Amphibious Mouse to a Blob-Headed Fish
The hidden creatures were found in a densely populated region known for its successful—and controversial—conservation tactics
This Once-Rare Lizard Bounced Back From the Brink of Extinction After ‘Painstaking’ Restoration Efforts in the Caribbean
In 2018, fewer than 100 Sombrero ground lizards remained on Sombrero Island—but now, more than 1,600 of the critically endangered reptiles are scampering around the limestone landscape
Scientists Unlock the Secrets of Crocodile Skin and Its Irregular, Mystifying Patterns
The scales on crocodiles’ heads are very different from the skin appendages of other animals and even distinct from the scales on the rest of their bodies
Hundreds of Sea Turtles With Hypothermia Are Washing Up in Cape Cod, Cold-Stunned as Temperatures Drop
New England Aquarium staff and volunteers are treating the reptiles, which have gotten trapped after venturing north earlier in the year. Experts say climate change is leading more turtles to get stranded in the bay
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