Feral cats have made their home on Fire Island.

Why Fire Island Has Seen an Explosion of Feral Cats

In New York’s only federal wilderness area, the loss of a key predator has led to the rise of a new one—with dire consequences for the island’s native birds

A large prawn walks over a field of mineral-rich nodules in the Clarion-Clipperton Zone (CCZ).

As Interest in Deep-Sea Mining Grows, Scientists Raise Alarms About the Possible Ecological Consequences

Gathering minerals such as nickel, cobalt, manganese and lithium from the seabed could affect everything from sponges to whales. The long-term effects of these extractions remain uncertain

Harpy eagles feed on sloths and monkeys.

Why Did a Large Harpy Eagle Attack an Adult Woman?

The incident, which took place in the forest in French Guiana, was an extremely rare occurrence

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

A dark cloud of starlings shapeshifts over Rome.

A Closer Look at the Kestrels, Hedgehogs and Other Wild Animals That Inhabit Rome

From antiquity to modern times, the city has been rife with creatures that creep, slither, scurry and nest among its pillars and palaces

One of the Central Park coyotes trots by with the New York City skyline as a backdrop.

In a Milestone for Manhattan, a Pair of Coyotes Has Made Central Park Their Home

For six years, two photographers have carefully followed the canines and documented their secret lives

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

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

A sandhill crane stands over a Canada gosling it adopted in Madison, Wisconsin. Such interspecies adoptions appear to have become more common in recent years.

These Sandhill Cranes Have Adopted a Canada Gosling, and Birders Have Flocked to Watch the Strange Family

Ornithologists and locals wonder what the future holds for this chick being raised by much taller, but still doting parents

During mating season in fall, this male hellbender wanders along the bottom of a stream in North Carolina in search of a den site. Hellbenders rely on pristine streams and well-oxygenated flowing water. As they have declined across much of their range, sights like this have become uncommon.

Why Has This North Carolina Town Embraced a Strange Salamander?

The city of Boone has put a giant mural of the eastern hellbender downtown and its residents often imbibe a local Hazy IPA named after the amphibian

A Cape sundew wraps its sticky leaves around a helpless fly.

Carnivorous Plants Have Been Trapping Animals for Millions of Years. So Why Have They Never Grown Larger?

Plants that feed on meat and animal droppings have evolved at least ten times through evolutionary history

Studying foraminiferan fossils can help us understand how the climate may change in the future.

These Tiny, Beautiful Fossils Detail the History of the Ocean

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past

Before her rescue in 2010, the Asiatic black bear Suki had been kept in a shipping container with 18 other bears. Now, she’s known at her new sanctuary home as a bear who loves to climb up high and survey the open space.

These Asian Bears Were Cut Open for Their Bile. Here’s What’s Being Done to Rehabilitate Them

Veterinarians in Vietnam perform surgeries, prepare special diets and craft recovery routines for moon bears to give them a better life

Researchers revealed that differences in sloth habitats drove the wide variation in size seen in extinct species.

Giant Sloths the Size of Elephants Once Walked Along the Ground. Here’s How the Massive Animals Evolved and Declined

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size variation

A research team measured ammonia concentrations from a colony of 60,000 Adélie penguins.

Penguin Poop Helps Drive Cloud Formation Over Antarctica, According to a New Study

The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which scientists say may be significant to regulating the climate

A grizzly bear walks along a road in Lake Louise, Alberta. 

To Reduce Human and Grizzly Bear Conflicts, Both Species Must Change Their Behavior

Rural Alaskan and Canadian communities are trying to get along with the large mammals

This volleyball-looking device is one of the glass flasks that Charles D. Keeling and others used to transport samples of atmosphere from Mauna Loa and beyond to a laboratory for precise analysis.

This Simple but Ingenious Instrument Helped the World Measure Carbon Dioxide Levels in the Atmosphere

Scientist Charles Keeling’s invention had a profound effect on scientists’ understanding of the severity of the climate change crisis

Environmental toxicologist Danielle Stevenson spreads soil and wood chips inoculated with fungi at a polluted lot in Los Angeles.

Can Scientists Harness the Magic of Mushrooms to Clean Up Polluted Landscapes?

Researchers and grassroots activists are working with fungi to restore damaged environments

Grizzly 399 (left) reigned as the "Queen of the Tetons" until her death in October 2024.

Male Offspring of Grizzly 399—the ‘World’s Most Famous Bear’—Killed by Vehicle in Grand Teton National Park

The 5-year-old boar known as Grizzly 1058 was part of a rare litter of four cubs born in 2020

Sea cucumbers come in a multitude of colors.

Welcome to the Weird and Wondrous World of Sea Cucumbers

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles—and many are increasingly threatened

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