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The second most common species the researchers identified was the silky shark, a vulnerable species that is in decline worldwide. 

Endangered Shark Meat Might Be Hiding in Your Pet's Food

Researchers found about one third of animal feed samples taken in Singapore contained shark DNA

An adult spongy moth

Invasive Insect Gets a New Name: Spongy Moth

After removing the common name "gypsy moth," which contained a racial slur, the Entomological Society of America has assigned a new designation

Coronavirus has been found in white-tailed deer in the northeastern United States and central Canada.

First Possible Case of Covid-19 Spreading From Deer to Humans

Experts say the discovery is not reason for panic, but underscores the importance of monitoring wildlife for diseases that could infect humans

Researchers excavated fossils from a site in Turkey that helped them fill in some of the history of a previously unknown continent called Balkanatolia. 

Fossils Help Scientists Identify a 'Lost' Continent

Millions of years ago, a giant island called Balkanatolia shifted and connected Asia to Europe, allowing animals to migrate

The artificial skin samples will sit in a custom device with a nutrient-filled liquid medium while they orbit in space aboard the ISS.

Scientists Will Study the Effects of Microgravity on Skin at the International Space Station

The experiment, using engineered skin samples, could lead to better skin care products

Air pockets in a sponge mimic healthy soil, which has various nooks and crannies to host microbial communities. 

Your Kitchen Sponge Is a Better Home for Bacteria Than a Petri Dish

Its porous structure provides the ideal physical environment for different kinds of bacteria to thrive, according to new research

Authors of the new study say SUE the T. rex is actually a T. imperator, or tyrant lizard emperor. 

Why a New T. Rex Study Is Riling Up the Paleontology World

Established scientists are casting serious doubts on new research suggesting that the infamous, ferocious dinosaur is actually three different species

Mountain goats carry bacterial diseases that are lethal to bighorn sheep and also compete for food.

To Protect Bighorn Sheep, Authorities Kill 58 Mountain Goats in Grand Teton National Park

The cull is part of an effort to safeguard the park's vulnerable sheep herd from the non-native species

Over the past decade, scientists have debated how often overdiagnosis occurs in screenings, with the most widely cited estimates at about 30 percent. New research suggests overdiagnosis occurs in 15 percent of breast cancer screenings.

Breast Cancer May Not Be as Overdiagnosed as Previously Thought

New research finds overdiagnosis occurs in 15 percent of cases detected using mammograms

An illustration of the six-wheeled rover, which has a drill and onboard instruments to sample and analyze the Martian surface. 

Europe's Mars Rover Unlikely to Launch in 2022 Due to Russian Invasion

The robot designed to search for traces of life on the Red Planet was originally scheduled to ride a Russian rocket into to space this fall

Wildfires blazed through Big Sur in January 2022.

We Are Changing Climate Faster Than We Can Adapt, New IPCC Report Warns

Despite the 'irreversible' impacts of a warming planet, scientists emphasize there is still time to act

For the study, researchers surveyed 426 adults who had at least two dogs and had experienced the loss of one of their dogs.

Dogs May Mourn the Loss of Other Household Pets

Grieving canines ate less, slept more, and sought more attention from their human companions after the death of a furry friend, according to a survey

Head-on collisions between galaxies like the one seen in Arp 143 (pictured) may be how rings of new stars form.  

Hubble Space Telescope Captures Galaxies Caught in Triangular Tug-of-War

A collision between two galaxies may have sparked the odd shape

Browntail moth caterpillars have small hairs that can cause a poison ivy-like rash and difficulty breathing in humans.

Rash-Causing Moths Are Spreading in Maine Because of Climate Change

The outbreak of browntail moths in the state will likely grow worse as temperatures increase, researchers say

Doctors were performing an electroencephalogram (EEG) on a patient with epilepsy when he unexpectedly passed away.

Brain Scans of Dying Man Suggest Life Flashes Before Our Eyes Upon Death

An elderly epilepsy patient unexpectedly died during a brain scan, revealing bursts of activity associated with memory recall, meditation, and dreaming

ONE Condoms become the first condoms approved for anal sex by the FDA. 

FDA Approves First Condom for Anal Sex

Health experts say FDA authorization may increase condom usage during anal intercourse and reduce sexually transmitted infections

Africa was home to an estimated 5 million elephants a century ago, but today there are just 415,000 individuals left.

Elephant Tusk DNA Exposes Illegal Poaching Networks

The new study suggests a shift in major smuggling routes

The new study suggests a distinction in our brains between instrumental music and vocal music. 

Some Neurons in Your Brain Respond to Singing but Not Other Music

Researchers tested 15 participants’ responses to 165 different noises, including toilet flushing, road traffic, instrumental music, speaking and singing

An artist’s impression of two Dearc sgiathanach, the newly-discovered species that is a close cousin of dinosaurs

Largest Jurassic Pterosaur on Record Unearthed in Scotland

The giant flying reptile had an eight-foot wingspan and lived around 170 million years ago

Magpies are highly social and live in groups of two or 12 individuals that defend, occupy, and breed cooperatively.

Sneaky Magpies Outwit Scientists by Removing Tracking Devices

The trackers were supposed to track movement behaviors but instead uncovered an unusual problem-solving behavior

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