Biology

In one nest, researchers found a McDonald's McChicken container from 1996.

These Bird Nests Are Full of Trash, Including Some That's 30 Years Old

Scientists studying Eurasian coots in Amsterdam found layers of decades-old garbage in their urban nests

Greenland sharks can live to be nearly 400 years old.

Greenland Sharks Can Live for 400 Years. Scientists Are Using DNA to Unravel Their Longevity Secrets

These large, mysterious creatures are the longest-living vertebrates on the planet—and their genomes could contain clues to how they prevent cancer and reach such an advanced age

The mice were genetically engineered to have mammoth-like traits, such as thick, fluffy hair.

Biotech Company Creates 'Woolly Mouse' as a Step in Its Quest to Resurrect Woolly Mammoths Through Gene Editing

Colossal Biosciences leaders say the fluffy, golden-haired mice help validate their technique to “de-extinct” species, but outside scientists remain skeptical

Japan Aerospace Exploration Agency astronaut Aki Hoshide uses a vacuum cleaner aboard the ISS. A new study suggests the space station's sterility may be harmful to astronauts' health.

Is the ISS Too Clean for Astronauts’ Health? New Study Finds the Space Station Lacks Microbial Diversity

Humans have evolved alongside microbes in Earth's environment that help strengthen our immune systems. But sterile living conditions can reduce that beneficial exposure

In October 2024, scientists created dozens of man-made nests and deposited 300,000 Chinook salmon eggs. Now, those eggs are hatching.

Chinook Salmon Are Swimming in This California River for the First Time in More Than 80 Years

The juvenile fish recently hatched from eggs that scientists deposited in the gravelly riverbed of the North Yuba River last fall

Field zoologist Andrew Rapp caught an adult female Appalachian grasshopper on the side of the road in Augusta County, Virginia.

Biologist Spots Rare, Flightless Grasshopper in Virginia for the First Time in Nearly 80 Years

The last time anyone in the state had officially documented the Appalachian grasshopper was in 1946, and the species was once thought to be extinct

A crocodile wears a satellite tracker in Queensland, Australia. Scientists monitored the reptiles for 15 years and recorded their body temperatures.

Crocodiles in Australia Are Shifting Their Behavior Because of Climate Change, and It Might Harm Their Ability to Hunt

A new study finds that as temperatures rise, the animals are getting hotter, spending less time diving and putting more effort into cooling off

The "wooly devil" has fuzzy foliage and maroon flowers made up of conspicuous ray petals.

Meet the 'Wooly Devil,' the First New Plant Genus Discovered in a National Park Since 1976

A volunteer spotted the tiny, fuzzy plant with maroon florets while exploring the remote northern corner of Big Bend National Park in Texas

Plains-wanderers are difficult to spot because their feathers serve to help them blend in with Australia's grasslands.

Researchers Use A.I. to Find an Elusive and 'Odd' Australian Bird. It Hadn't Been Recorded in the Area Since 1989

Once abundant throughout southeastern Australia, the critically endangered plains-wanderer is now on the brink of extinction

Police helped keep the baby seal out of harm's way until help could arrive.

Lost Baby Seal Found Wandering in Downtown New Haven Has Been Rescued—and Attained Local Fame

The juvenile gray seal recently weaned off his mother's milk and ventured five miles into the coastal Connecticut city

Scientists suggest finding extraterrestial intelligence is more likely than thought, arguing that complex life is not a cosmic fluke.

Intelligent Life May Be More Likely to Exist on Other Planets Than Previously Thought, Scientists Say

Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting it’s the natural outcome of a habitable environment rather than a lucky break

One of the study authors, Maëlan Tomasek, with a fish. The scientists found that wild fish will start to follow humans for food and can recognize individual divers based on what they're wearing.

Wild Fish Can Tell Human Divers Apart Based on Their Outfits, Study Suggests

Using visual cues, including colors on wetsuits, seabream in the Mediterranean learned to identify researchers that would feed them

The 166-pound Florida panther is an adult male around ten years old.

Scientists Find the Heaviest Florida Panther on Record, a Giant Cat Tipping the Scales at 166 Pounds

Wildlife officials in Florida captured and collared the adult male feline during a routine population check in late January

Wisdom the Laysan albatross was banded with a red tag reading Z333 in 1956. She is now raising a newborn chick at the age of at least 74.

See the Adorable Video of Wisdom, the World's Oldest Wild Bird, Tending to Her New Chick at Age 74

First banded in 1956, the Laysan albatross has become a mother once again at Midway Atoll National Wildlife Refuge

Replicas of sheep and paintings are part of the exhibition's "exploded" diorama layout.

From Shears to Sweaters, an Experimental New Exhibition Examines the Long, Wooly Relationship Between Humans and Sheep

The Amsterdam show features an eclectic mix of wool garments, life-size sheep replicas and philosophical musings about the interconnectedness of the two species

Cuddly lovebirds have come to represent Valentine's Day, and their name is even used to refer to two people who are infatuated with one another.

14 Fun Facts About Lovebirds, From Their Lifelong Devotion to Surprising Aggression

The cuddly, colorful parrots have become a symbol of Valentine’s Day. Here’s what to know about the famously affectionate birds

In captivity, baby loggerhead turtles do a little dance when they know food is coming.

Dancing Baby Sea Turtles Help Researchers Unravel the Mysteries of Their Navigational Superpowers

Loggerhead turtles can identify specific magnetic signatures, according to a new study, hinting at how the aquatic reptiles manage to return to the same foraging and nesting sites over and over again

Scientists found biofluorescence in most species of birds-of-paradise, including the emperor bird-of-paradise (Paradisaea guilielmi), shown here from the American Museum of Natural History's collection.

Birds-of-Paradise Glow to Attract Mates, Adding a Flashy Element to Their Impressive Courtship Displays

Scientists find that 82 percent of birds-of-paradise species show biofluorescence, often on their feathers, throat or inner mouth

An artist's illustration of a plesiosaur, based on new research that finds these now-extinct sea monsters had both smooth and scaly skin.

Rare Fossil of 183-Million-Year-Old 'Sea Monster' Reveals Both Smooth and Scaly Skin

For the first time, scientists have completed an in-depth analysis of fossilized soft tissues from a plesiosaur

Arctic grayling live in many northern waterways, but they disappeared from Michigan in 1936.

These Shimmery Fish Disappeared From Michigan Nearly a Century Ago. Can They Make a Comeback?

Great Lakes tribes and state biologists are working together to reintroduce Arctic grayling to northern Michigan's waterways

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