The Barbados threadsnake is just three to four inches long and about the same width as a strand of spaghetti. Pictured here in 2006, the species was officially described in 2008.

Scientists Feared the World’s Smallest Snake Had Gone Extinct. They Just Found It Again

When fully grown, the Barbados threadsnake is only three to four inches long—shorter than many earthworms

For the experiments, the scientists worked with plain-body octopuses (Callistoctopus aspilosomatis).

Octopuses Fall for the Rubber Hand Illusion, Just Like Humans, Pointing to a Sense of Body Ownership

The trick that plays with awareness of one’s own limb appeared to fool all six of the cephalopods tested in a series of experiments

A variety of tyrannosaurs roamed the planet before T. rex evolved.

Meet Ten Tyrannosaurs That Came Before T. Rex, From Small, Feathery Creatures to 30-Foot-Long Bone-Crushers

Everyone knows the famous tyrant lizard king, but its relatives amaze, too

The remotely controlled robotic rabbits have been placed at various undisclosed locations in South Florida to see how well they fool the invasive snakes.

‘Robo-Bunnies’ Are the Newest Weapon in the Fight Against Invasive Burmese Pythons in Florida

Scientists are experimenting with robotic rabbits in hopes of luring the destructive snakes out of hiding so they can be euthanized

The eyelash viper is a relatively small species, with adults averaging from 22 to 32 inches long. Its most distinguishing feature, and origin of its common name, is the set of modified scales above the eyes that look much like eyelashes.

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See 15 Photos of Sensational, Slithering Snakes

These reptiles often get a bad rap, but there are plenty of reasons to celebrate snakes

The bones were discovered at two caves in the 1990s, but scientists recently revisited them to take a closer look at the cut marks.

Cut Marks on Animal Bones Suggest Neanderthal Groups Had Their Own Unique Culinary Traditions

Neanderthals in two nearby caves used different techniques when butchering animal carcasses in what is now Israel, according to a new paper

Researchers working in the Peruvian Amazon have discovered an unusual partnership between the ocelot (left) and opossum (right).

Video Reveals an Unlikely Bond Between Ocelots and Opossums in the Amazon, Walking Together Like ‘Old Friends’

Researchers captured the footage by surprise, with cameras initially set up to record bird behavior

A western gull like this one surprised researchers by riding on an 18-wheeler to an outdoor composting facility in California.

A California Gull Hitched a Ride on a Garbage Truck and Took an 80-Mile Journey to a Compost Facility. Then It Happened Again

GPS tracking data showed the bird zooming across bridges and interstates at 60 miles per hour on two occasions in 2018

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants.

Giant Sloths and Many Other Massive Creatures Were Once Common on Our Planet. With Environmental Changes, Such Giants Could Thrive Again

If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the rise of other giants

Scientists found a partial dinosaur vertebra inside a geological core sample that measures just 2.5 inches in diameter.

‘Nothing Short of Magical’: Scientists Discover a Dinosaur Bone Nearly 800 Feet Beneath a Parking Lot at a Denver Museum

The partial vertebra appeared inside a 2.5-inch-diameter column of rock that researchers drilled, earning the title of the oldest and deepest dinosaur fossil found in Denver

Gilad Topaz's "Drifting In Space" captures the moment that passengers onboard an icebreaker in the frozen Baltic Sea took a short break to swim.

See Ten Stunning Images From the International Aerial Photographer of the Year Awards

Breathtaking views of glaciers, volcanoes and animals were celebrated in the competition’s inaugural year

Through this model of community-based conservation, Peru’s vicuña population has grown to over 200,000.

How an Ancestral Peruvian Ceremony Is Saving the Once-Endangered Vicuña

Each year in the first weeks of June, Indigenous communities in the Andes form a human chain to corral the camelids and shear their valuable wool

Fossilized remains of the giant beaver have been discovered in Minneapolis and Saint Paul, as well as in southern Minnesota.

Bear-Sized Giant Beavers Once Roamed North America, and They’re Now the Official State Fossil of Minnesota

The large, extinct creatures roamed the Twin Cities area more than 10,000 years ago and could grow to more than 200 pounds

A close-up of a kelp gull in its native habitat in Chile. This is not the individual bird seen in Wisconsin.

Southern Hemisphere Gull Seen in Wisconsin for the First Time, Drawing Tourists for a Rare Glimpse of the Out-of-Place Bird

The vagrant kelp gull mated with a local herring gull, though the chick did not survive. Experts say it’s a “complete mystery” how the bird came to nest so far north in the first place

Orcas are highly social creatures that often share prey with each other. Now, new research suggests they're extending this behavior to humans.

Orcas Appear to Be Sharing Their Prey With Humans—but What Does It Mean?

Researchers documented 34 instances of purported prey-sharing behavior, which suggests orcas may be altruistic and capable of recognizing sentience in another species

The title Jaws doesn’t quite give justice to the sharp teeth that are the real terrifying characteristic of these marine animals.

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Celebrate the 50th Anniversary of ‘Jaws’ With 15 Shark Snapshots

The classic thriller might discourage you from getting in the water, so check out these sensational shark images from the Smithsonian Magazine Photo Contest instead

A Honduran white bat (Ectophylla alba) flies from its roost.

Ten Stunning Nature Photos From the BigPicture 2025

From the beautiful to the bizarre, this annual photographic showcase shines a light on some of our planet’s most breathtaking species and places

A veery gets ready to rise into the Vermont skies, not long before setting off on an annual migration to the species’ wintering grounds in Brazil.

Scientists Are Tracking Worrying Declines in Insects—and the Birds That Feast on Them. Here’s What’s Being Done to Save Them Both

In Vermont, researchers have investigated the types of creepy, crawly bugs that their avian predators consume and may have found the answers to keeping them both alive

Some sebecids grew to lengths of 20 feet.

After Crocs and Lemurs Went Extinct on the Mainland, Many Survived on Islands for Millions of Years

Isolation allows creatures to thrive as their relatives perish due to the threats present on much larger landmasses

Bogong moths are brown, nondescript creatures—but scientists now suggest they are the first known invertebrates to use the stars for navigation.

Australian Moths Are the First Known Insects to Navigate by the Stars, Revealing a Migratory Superpower

Bogong moths use both Earth’s magnetic field and the starry night sky to make twice-yearly migrations spanning hundreds of miles, according to new research

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