Biology

View from the researchers' airplane flying over Japan

Scientists Have Found Bacteria and Fungi 10,000 Feet Up in the Air

The discovery has implications for human health, since the microbes included some that were still viable, some that could be infectious to humans and others that carried drug-resistant genes

Heart tissues within one of the launch-ready chambers

Heart Tissue Shows Signs of Aging After Just One Month in Space, Study Finds

Scientists sent bioengineered heart tissue samples to the ISS to study how to keep astronauts safe during future long-term space travel

The Australasian narrow-nosed spookfish (Harriotta avia) has a long snout and a whip-like tail.

Scientists Discover a New Species of Elusive Ghost Shark

Called the Australasian narrow-nosed spookfish, the cryptic species lives deep in the ocean off the coasts of New Zealand and Australia

A cross section of a chambered nautilus shell shows the newly defined shape, the "soft cell," repeating outward in a spiral.

Mathematicians Discover a New Class of Shape: the 'Soft Cell'

If the structures look familiar, it's probably because nature has been using them for a long time in places like nautilus shells, zebra stripes and onions

Researchers excavated a crypt in Milan and found human remains containing evidence of cocaine use.

Europeans Were Using Cocaine in the 17th Century—Hundreds of Years Earlier Than Historians Thought

Scientists identified traces of the drug in the brain tissue of two individuals buried in the crypt of a hospital in Milan

A view from the webcast of the 34th First Annual Ig Nobel Ceremony.

Anus-Breathing Animals and Pigeon-Guided Missiles: Ig Nobel Prizes Reward Unusual but Valuable Science

The annual award ceremony featured costumes, songs and paper airplanes as scientists recognized comedic research across ten disciplines

American redstarts and magnolia warblers were thought to fly together merely by coincidence, but new research suggests they might be forming a social relationship.

Birds Form Surprising Relationships With Other Avian Species During Migration, Study Suggests

New research indicates that birds are not alone while migrating—and sharing space with other species may even help them on the journey

The vagus nerve sprawls from the brain through the body, innervating our organs and managing life support and emotion.

Everything You Wanted to Know About the Longest Nerve in the Body

Like a highway system, the vagus nerve branches profusely from your brain through your organs to marshal bodily functions, including aspects of the mind such as mood, pleasure and fear

The youngster appears healthy, with a "smooth consistent coat and no obvious signs of injury," according to the Australian Wildlife Conservancy.

See Rare Footage of a Young Wombat Caught on a Wildlife Camera in Australia

Just 400 northern hairy-nosed wombats remain in the wild, and conservationists say the new videos signal the critically endangered species’ breeding success

Bluestreak cleaner wrasse eat parasites off other fish at coral reefs.

These Tiny Fish Will Assess Themselves in a Mirror Before Taking on a Foe

New findings suggest bluestreak cleaner wrasse understand how their body size stacks up against a rival

Japanese eels use burrowing and swimming motions to move around the seafloor—and to escape from inside the stomach of a predator.

Watch Eels Make a Great Escape From a Fish's Stomach After Being Swallowed Alive

For the first time, scientists witnessed Japanese eels free themselves from the stomach of a predatory fish in X-ray video footage

Did Hawaiian dancers traditionally wear grass skirts? 

What's the History of Hawaiian Grass Skirts? And More Questions From Our Readers

You’ve got questions. We’ve got experts

A species that was previously considered lost, the black-naped pheasant-pigeon, was rediscovered in 2022.

These 'Lost' Bird Species Haven't Been Seen in at Least a Decade—and Scientists Want Help Finding Them

Some of the 126 species on their list haven’t been photographed or recorded in more than century

A still from a video captured by Vermont resident Gary Shattuck, featuring the lynx walking alongside a road in Rutland County, Vermont, on August 17.

Rare Endangered Lynx Spotted in Vermont for the First Time Since 2018

The Vermont Fish and Wildlife Department has only confirmed seven sightings of the wildcats since 2016

Keepers say it was love at first sight for Sphen and Magic when they met for the first time in 2018.

Sphen, Australian Penguin of Famous Same-Sex Couple, Dies at Age 11

Sphen and his longtime partner Magic got together at Sea Life Sydney Aquarium in 2018. They successfully hatched two foster chicks and became "international queer icons"

Viruses known known as bacteriophages, or “bacteria eaters” in Greek, occupy the gut.

Inside the Hidden Kingdom of Viruses in Your Gut

Human innards are teeming with viruses that infect bacteria. Here's what scientists are learning about them

A view of the lunar south pole, with Shackleton Crater at the center, assembled from images taken by NASA's Lunar Reconnaissance Orbiter.

Scientists Suggest Freezing Endangered Animals' Cells and Preserving Them on the Moon

Shadowed areas in lunar craters may be cold enough to safeguard species' DNA amid "climate disasters and social disasters" on Earth, according to Smithsonian-led research

The ocean sunfish (Mola mola) is one of several unusual-looking sea creatures to wash ashore in Oregon so far this summer.

Five-Foot-Long Ocean Sunfish Washes Ashore in Oregon, a 'Relatively Small' Size for Its Species

It's the second sunfish to be found dead on the beach in a small region of northwestern Oregon this summer, following the discovery of an even rarer hoodwinker sunfish

An orb-weaver spider wraps a male firefly in silk while it flashes from its lanterns. Male fireflies typically signal with multiple pulses using two lanterns, while females emit single pulses from one lantern.

These Spiders Use Captured Fireflies as Flashing Lures to Snare More Prey

A new study suggests orb-weaver spiders manipulate trapped male fireflies to emit female-like signals, which in turn draws more males into the web

Kayakers, researchers, lifeguards and paddleboarders managed to get the huge fish to shore.

Rare 'Doomsday' Oarfish Surfaces in California, Just the 20th Discovered in the State Since 1901

Kayakers spotted and hauled ashore the 12-foot-long oarfish, a deep-sea species known for its connection to earthquakes in Japanese folklore

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