A mule deer carcass in Yellowstone National Park tested positive for the fatal neurological illness known as chronic wasting disease.

'Zombie Deer Disease' Documented in Yellowstone for the First Time

The neurological condition, called chronic wasting disease, has a 100 percent fatality rate in the deer, moose and elk it infects

San Francisco-based startup Loyal is developing drugs that aim to extend dogs' lifespans—and it could form a basis for longevity research in humans.

A New Drug That Could Extend Dogs' Lives Inches Closer to Approval

For the first time, the FDA has indicated a willingness to endorse a longevity drug

Ferrisburgh, a kestrel at the Vermont Institute of Natural Science, has begun painting for mental enrichment after losing his ability to fly.

Meet Ferrisburgh, a Rescued Kestrel Who Started Painting After a Wing Injury

The Vermont raptor can no longer fly, but he is helping educators teach the public about his species through art

Researchers at the Ohio State University collected 9,287 Asian longhorned ticks in just 90 minutes using lint rollers.

An Invasive Tick That Can Clone Itself Is Spreading Across the U.S., Threatening Livestock

Researchers documented three cows in Ohio killed by Asian longhorned ticks, which can lay up to 2,000 eggs without needing to mate

Hippos swimming close to the Magdalena River in Doradal, Colombia.

Pablo Escobar's Multiplying 'Cocaine Hippos' Will Be Sterilized in Colombia

The country’s hippo population has grown to about 170, and officials warn it could reach 1,000 individuals by 2035 if left uncontrolled

A stall worker carries a bag of ice on Copacabana Beach during a heatwave in Rio de Janeiro, Brazil, on November 18, 2023.

Earth Headed for Nearly Three-Degree Temperature Hike—Well Above Paris Agreement Level

A new U.N. report finds current pledges put the planet on track to warm 2.5 to 2.9 degrees Celsius above pre-industrial levels this century

The monkey "chimera" with two sets of DNA at three days old. Some body parts appear tinted green, because the researchers marked the transplanted cells with fluorescent dye to trace what parts they developed into.

Scientists Created a Monkey With Two Different Sets of DNA

So-called "chimeric" monkeys could help scientists understand human diseases and aid in conservation efforts, but the research raises ethical questions

Castoreum, an edible, sweet-smelling substance, is found in the castor sacs of beavers.

Does Vanilla Flavoring Actually Come From Beaver Butts?

Despite internet claims, castoreum—a substance found in beaver glands—is rarely used today as a food flavoring

Researchers plan to launch the wooden artifical satellite in summer 2024. 

Could Wooden Satellites Reduce Space Junk? The First Is Set to Launch Next Year

NASA and Japan plan to test a biodegradable satellite made of wood, which burns up more easily than metal on reentry

Around 40 percent of people experience a fainting spell at some point in their lives.

Here's What Causes Fainting, According to New Research

Scientists have discovered a pathway between the heart and brain in mice that appears to be involved during loss of consciousness

The Australasian crested grebe, or pūteketeke, won New Zealand's Bird of the Century contest with 290,000 votes.

Puking Bird Wins New Zealand's Bird of the Century Contest After John Oliver Campaign

The comedian launched an “alarmingly aggressive” global effort on behalf of the pūteketeke to shore up its victory in the annual popularity competition

Attenborough's long-beaked echidna, photographed by a camera trap

Scientists Find 'Lost' Echidna Species for the First Time in 60 Years

An expedition team in Indonesia spotted the elusive, egg-laying mammal, which is named after David Attenborough and had not been documented since 1961

Tamarix aphylla can survive in salty environments by excreting saline water from its leaves.

This Desert Plant's Salty 'Sweat' Can Collect Water From the Air

The athel tamarisk's hydration trick could improve on human techniques to harvest water in dry environments, researchers say

The aftermath of a multi-vehicle pileup on I-55 on Oct. 23, 2023 that occured because "super fog" lowered visibility.

Dense 'Super Fog' Causes Deadly Car Crashes in Louisiana

The thick haze lowers visibility to less than ten feet and forms when smoke from smoldering leaves, brush or trees mixes with moisture in cool air

By 2030, coal production is projected to rise to 460 percent above what’s consistent with limiting warming to 1.5 degrees Celsius.

Fossil Fuel Production on Track to Increase Despite Climate Promises, Report Finds

World governments are planning to produce 110 percent more coal, oil and gas in 2030 than is allowed under the Paris Agreement, U.N. says

Wildcats appear very similar to domestic cats, but they are slightly larger with longer legs.

Domestic Cats Could Breed Scottish Wildcats Out of Existence

Just a few decades of intermixing affected the DNA of all sampled modern wildcats, researchers say, suggesting the species may be "genomically extinct"

Researchers examined how key genes behave across the sea star body by staining genetic material with fluorescent labels.

A Starfish 'Body' Is Just One Giant Head, Study Finds

Genes associated with the torso are largely absent in a species of starfish, upending how scientists perceive these creatures

Cats have 26 different facial movements that combine to make 276 distinct expressions, according to a new study.

Cats Make Nearly 300 Different Facial Expressions

From ear position to pupil size, a new study examines how felines express themselves while interacting with one another

A Mediterranean fruit fly (Ceratitis capitata), also known as a medfly

Millions of Sterile Fruit Flies Will Soon Be Dropped on Los Angeles

The influx of insects is meant to combat the invasive medfly, after officials identified two of the produce-destroying creatures in the area

Wildfires have smashed records this year in Canada, scorching more than 40 million acres in the country.

Earth Is Entering 'Uncharted Territory' Because of Climate Change, New Report Warns

Researchers found that 20 of 35 "planetary vital signs" are at record extremes, and they call for rapid action

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