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Animals

An illustration of the giant gorgonopsian Inostrancevia scaring off the much smaller African species Cyonosaurus

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

Dogs sunbathing at the Acropolis

Pets Will Soon Be Welcome at More Than 120 Archaeological Sites in Greece

The new policies won’t apply at certain high-traffic destinations like the Acropolis

A distinct subpopulation of orcas lives in the Strait of Gibraltar off the coast of Spain, where they hunt and eat Atlantic bluefin tuna.

Orcas Are Ramming Into Ships Off Europe’s Coast

One researcher says this may be a response to a “critical moment of agony” a female orca experienced with a boat

This is the first documented rainbow sea slug in a rock pool in the United Kingdom.

Rare ‘Technicolor’ Rainbow Sea Slug Found in England

It’s only the fourth record of the species in the U.K., and experts say it’s a sign of warming waters due to climate change

One of the study's participants was Woofus, a 15-year-old basset hound mix.

Older Dogs With Dementia Sleep Poorly—Just Like Humans

The findings may help veterinarians and pet parents identify canine cognitive decline

Hormiphora californensis, also called the California sea gooseberry, is a comb jelly common in California coastal waters.

Comb Jellies May Be the World’s Oldest Animal Group

A new study suggests that ancestors of comb jellies, not sponges, were the first to break off from the common ancestor of all animals

A spider hides between its own legs.

See 15 Breathtaking Shots From the Close-Up Photographer of the Year Challenge

This themed contest rewarded minimalism, with clean photographs of insects, spiders and plants earning accolades

The Hunterian is one of few places in the United Kingdom where the public can see specimens prepared specifically to show human anatomy.

See Tables Crafted From Human Tissue, a Toad With Eggs on Its Back and More at This London Museum

The newly reopened Hunterian Museum acknowledges the ethical quandaries posed by its collection of anatomical specimens

Platypuses are egg-laying mammals with webbed feet and duck-like bills.

Platypuses Return to Australia’s Oldest National Park

The egg-laying mammals haven’t been seen at the site since the 1970s, but scientists hope the newly released creatures can re-establish a population

Scalloped hammerhead sharks off the Kona coast of the Big Island of Hawaii

Hammerhead Sharks Can ‘Hold Their Breath,’ A First for Fish

The sharks close their gills to stay warm while hunting in deep, frigid waters, new research suggests

An artist's interpretation of what the pendant may have looked like as a necklace

New Research

Ancient DNA Reveals Who Wore This 20,000-Year-Old Pendant

Researchers have found a new way to extract human DNA from porous artifacts

Fossils in Wales reveal a glimpse into marine life 462 million years ago. In this illustration based on the new finds, the tall sponge in the foreground is less than one inch in height.

This Trove of Fossils in Wales Is Revealing Secrets of Early Animal Life

Scientists have uncovered 170 species from around 462 million years ago, unveiling surprises about when tiny marine creatures evolved and disappeared

Deeply interested in the natural world, Potter would carefully collect and draw specimens.

Beatrix Potter Was a Keen Observer of the Natural World

Famous for “Peter Rabbit,” the children’s author was also a devoted scientist and conservationist

Using suction-cup sensors attached to three humpback whales, researchers captured video footage of the animals rolling around on the ocean floor.

Watch Whales Exfoliate Their Skin on the Ocean Floor

Migrating humpbacks used sand and rubble to slough off dead skin and barnacles, a behavior that may be both practical and social

Male California sea lions are polygamous and must fight to defend their territories and their harems.

Why Male California Sea Lions Are Getting Bigger

The “raccoons of the sea” have varied diets, allowing them to grow large to compete for mates

Before they made their big flight to the South Pacific, the snails were adorned with dots of red, UV-reflective paint to help conservationists find them in the dark.

Scientists Reintroduce 5,000 Snails to French Polynesian Islands

The project’s organizers say it’s the largest-ever release of creatures that are extinct in the wild

The eruption of a volcano on Spain’s La Palma island took a toll on nearby fish.

The Gruesome Ways Volcanoes Kill Fish

Whether the eruption is underwater or on land, the creatures don’t have an easy time dealing with nature’s fury

California condors are the largest birds in North America.

Twenty Endangered California Condors Die Amid Avian Flu Outbreak

Scientists fear the deaths could set back the slow-breeding birds’ recovery by at least a decade

One of the many Edicaran biota fossils within the bounds of Nilpena Ediacara National Park, which is now open in South Australia.

The World’s Newest National Park Protects 550-Million-Year-Old Fossils

The 148,000-acre Nilpena Ediacara National Park in South Australia is helping scientists unravel the mysteries of life’s evolution on Earth

The lioness, photographed by a trail camera in February, is likely around five years old.

First Lion Spotted in Chad National Park in 20 Years Is ‘Beautiful’ and ‘Healthy’

A trail camera snapped a photograph of the lounging big cat, giving wildlife officials renewed hope about the species’ recovery in West and Central Africa

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