Wildlife

The wise long-eared owl keeps his cool under pressure.

Bigger-Brained Birds Keep Their Cool Under Pressure

Birds with high ratios of brain size to body size maintain lower levels of stress hormones in their blood compared to their less intellectual counterparts

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Energy Innovation

Could Panda Poop Be the Secret to More Efficient Biofuel?

Unique microbes in a panda's gut efficiently break down bamboo--mass producing these microbes could help scientists make sustainable biofuels

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This Next-Generation Bug Spray Could Make You Invisible to Mosquitoes

Researchers are analyzing chemicals naturally present on human skin that disrupt mosquitoes' ability to smell us

Hydraena ateneo, a millimeter-long water beetle, was found living in the forested creeks of Ateneo de Manila University’s forested campus.

A New Beetle Species Was Just Discovered Right Outside the World’s Densest City

Hydraena ateneo, a previously unknown water beetle, was found living in the forested creeks of a university's campus near Manila, Philippines

Panda Watch: It’s a Girl!

The National Zoo confirmed that Mei Xiang's cub is female

Cuban Emerald (Chlorostilbon ricordii), Western Foundation of Vertebrate Zoology, Collected from Andros Island, Bahamas, on January 22, 1988.

The Art of the Bird’s Nest

The architectural masterpieces of numerous bird species are the subject of Sharon Beals' latest photo series—on display at the National Academy of Sciences

A colorized microscopic image of a viral particle of the Ebola virus. The virus, which scientists believe originates in non-human primates, causes Ebola hemorrhagic fever, a deadly disease in humans, monkeys, gorillas and chimpanzees.

Cracking the Code of the Human Genome

A Minimum of 320,000 Mammalian Viruses Await Discovery

If we invested just $1.4 billion, we could discover 85 percent of all mammalian viruses, potentially lessening the impact of the next emerging disease

Unlike the chest-beating primates of popular imagination, Brazil’s northern muriquis are easygoing and highly cooperative.

Humans Would Be Better Off If They Monkeyed Around Like the Muriquis

Biologist Karen Strier has been studying these peace-loving Brazilian primates and their egalitarian lifestyle for decades

What explains the vivid colors of the strawberry poison-dart frog?

How Do Tropical Frogs Get Their Stunning Colors?

The vibrant hues that dot the rainforest landscape help them avoid predators and win mates

In Montana, ground squirrels have been tunneling under a Air Force base’s fences and setting off intruder alarms, prompting researchers to look for a solution.

How One Nuclear Missile Base Is Battling Ground Squirrels

In Montana, squirrels have been tunneling under a base's fences and setting off intruder alarms, prompting researchers to strengthen its defenses

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New Video of Mei Xiang’s Squawking Baby Panda

The National Zoo's newest addition is already keeping mom up at night

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What’s Behind That Jellyfish Sting?

If you're headed to the beach this weekend: with Jellyfish populations rising, what should you do if you are stung, and why do stings hurt so much?

Each crane is tagged with a radio transmitter (shown on the bird’s left leg) to monitor its location.

Nurture, Not Nature: Whooping Cranes Learn to Migrate From Their Elders

New research shows that the endangered cranes learn to navigate thousands of miles by taking cues from older birds

One-year-old cubs play at the nursery in Bifengxia, China

A Zoo Panda Keeper on His Trip to China and Why Mei Xiang is a Great Mom

Panda keeper Juan Rodriguez opens up about Mei Xiang's first days with her new cub, as well as a recent trip to a partner panda facility in China

Red Mural, by Amber Hasselbring

A Butterfly Species Settles in San Francisco’s Market Street

Two advocates track Western tiger swallowtails through the city and use art to encourage residents to think of the fluttering creatures as neighbors

Seljalandsfoss is one of the most beautiful waterfalls in Iceland. Dropping from a 200-foot-high cliff to a deep pool below, this unusual waterfall of the Seljalandsá River has a unique indentation in the rock face that allows visitors to hike behind the picturesque falls. Lush greenery and a wide variety of colorful wildflowers surround the falls. As photographer Mike Reyfman describes, "Getting in touch with the natural wonders of Iceland can be a very exhilarating and enlightening experience. Located along the south coast is one of its most breathtaking waterfalls. To take a panoramic capture of the Seljalandsfoss, a photographer must be prepared for the intense mist and huge dynamic range."

25 Stunning Photographs of the Natural World

A collection of winning photographs from the Nature’s Best Photography competition, on display now at the Museum of Natural History

The Zoo reports that the “cub’s heart rate is steady and its belly was full.” Veterinarians report that they “could hear breath sounds from both lungs.”

New Baby: Giant Panda Gives Birth at the National Zoo!

The first cub is healthy and doing well. Mei Xiang gave birth to a second, stillborn cub on Saturday

“I’d rather gnaw a bean than be gnawed by continual fear.”

Scientists Investigate Whether the City Mouse Is Smarter Than the Country Mouse

Contrary to biologists' expectations, critters living in cities don't always have an adaptive edge over their rural counterparts

Five Unusual Ways Scientists Are Studying Climate Change

Fossilized urine, old naval logbooks and the recent speeds of satellites are among the unexpected records that track changing climate

What is it that makes honey such a special food?

The Science Behind Honey’s Eternal Shelf Life

A slew of factors—its acidity, its lack of water and the presence of hydrogen peroxide—work in perfect harmony, allowing the sticky treat to last forever

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