Sun bears are named for a gold crescent on their chest, resembling a rising or setting sun. Each bear’s patch is unique, like a fingerprint.

To Save Sun Bears, Scientists First Have to Find Them

The world's smallest bear plays a crucial role in repairing its tropical habitat in Southeast Asia

Nubian giraffes in South Sudan during an aerial survey in April 2023. The area is home to what is probably the planet’s largest land mammal migration.

Giraffes Are Notoriously Hard to Track, But New Technology Is Helping Scientists Protect the Beloved Species

As populations plummet across Africa, researchers have designed an ingenious method to study the graceful creatures

This worm is genetically engineered so some neurons and muscles are fluorescent. Green dots are neurons that respond to cannabinoids, while magenta dots are other neurons.

Tiny Worms Get the Munchies, Too

When dosed with compounds found in cannabis, nematodes eat more and show an even greater preference for their favorite foods

Xander Bogaerts hits his first home run with his new team, the San Diego Padres, at Petco Park in San Diego on April 1, 2023. 

Climate Change Is Making Home Runs Easier to Hit

A new study attributes more than 500 homers since 2010 to increased global average temperatures, an effect that will only increase the hotter Earth gets

A golden-winged warbler perches on a branch in Minnesota. The bird’s declining population worries ornithologists.

More Than Half of U.S. Bird Populations Are Shrinking

An alarming report indicates that dozens of species are likely to become federally endangered without preventive action

An artist’s rendering of astronauts working near NASA’s Artemis base camp, complete with a rover and RV.

Four Things We’ve Learned About NASA’s Planned Base Camp on the Moon

Eventually the station will allow astronauts to spend up to two months on the lunar surface

A new study shows that children who play individual sports, like tennis, may have more mental health issues than those that play team sports or don’t participate in sports at all.

Should Parents Worry About New Research Linking Kids’ Mental Health and Individual Sports?

According to the study, children who played team sports had fewer mental health difficulties than those who didn’t play sports

A male Philoponella prominens spider (top) mates with a female.

This Male Spider Catapults Itself Into the Air to Avoid Sexual Cannibalism

The arachnids propel themselves to safety at breakneck speeds after they’ve mated to avoid being eaten alive

Researchers have located a genetic mutation associated with smaller dogs.

Mutation That Gave Us Tiny Dogs Found in Ancient Wolves

The genetic factor that plays a large role in determining canine body size was around thousands of years prior to domestication

A tiger shark swims in the Bahamas. Over the past several decades, the predators ventured farther north in the northwestern Atlantic Ocean.

Some Tiger Sharks Are Migrating Farther North Due to Climate Change

The predator’s movements in the Atlantic Ocean could scramble ecosystems and endanger the sharks by sending them outside marine protected areas

A researcher holds a golden-crowned spadebill in Brazil. Seventy-seven rainforest bird species in the country showed a decrease in body weight over the last four decades.

Climate Change Is Transforming the Bodies of Amazonian Birds

A 40-year study found 77 species of rainforest birds weigh less on average, and many have longer wings, than they used to

Hermit crabs are essential scavengers in the ocean. They may crawl into discarded tires looking for food or shelter, and become trapped and die of starvation.

Discarded Tires Are 'Ghost Fishing' Hermit Crabs

New research suggests these shell-swapping crustaceans are vulnerable to becoming trapped inside human debris

But when severe drought and extreme heat collide, as they have this year, states like California that rely heavily on hydropower can be forced to buy extra power to meet demand, which tends to spike when temperatures soar.

Western Drought Drives Decline in Hydroelectric Power Generation

A new report predicts hydropower in the U.S. will fall by nearly 14 percent compared to last year

Facebook’s move comes as threats to the Brazilian Amazon from logging and land clearing only appear to be growing.

Facebook Addresses Illegal Sales of Amazon Rainforest Lands on Its Platform

The embattled social media company is taking steps to curb sales of protected lands via its marketplace following a BBC News investigation

NOAA and Saildrone deployed the fleet of five hurricane-class vessels in the Atlantic’s “hurricane belt” in the summer months leading up to this year’s tropical storm season. 

 

'Saildrone' Captures First-Ever Video From Inside a Category 4 Hurricane

This uncrewed, remote-controlled vessel gathered valuable scientific data that could help researchers better understand and predict these violent storms

This event isn’t the first time river otters have acted aggressively toward humans and their pets, but it’s not considered common.

A Group of River Otters Is Attacking People and Dogs in Alaska

Officials are searching for the culprits after three reported incidents in September

Workers collect oil from the water's surface at Talbert Marsh in Huntington Beach, California. 

Major Spill Washes Crude Oil Onto Southern California Beaches

At least 126,000 gallons of oil have gushed out of a leak in an underwater oil pipeline about three miles offshore

Olive sea snakes are among the largest marine snake species and sometimes make contact with divers.

Venomous Sea Snakes That Charge Divers May Just Be Looking for Love

A new study suggests apparent attacks are actually fleeting cases of mistaken identity

A fox squirrel perched on part of an experiment designed to test its agility and decision-making. Researchers used peanuts to entice the rodents to participate.

Squirrels Use Parkour Moves and Savvy to Stick Tricky Landings

A new study finds these acrobatic rodents quickly weigh variables like bendy branches to figure out how to safely clear big distances high in the treetops

A juvenile scarlet snake stuck in the web of a brown widow spider in Georgia.

In a Spider vs. Snake Battle, These 40 Arachnids Would Defeat and Devour Their Serpentine Foes

At least 40 arachnid species kill and eat certain slithering predators, which can be up to 30 times the eight-legged critters' size

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