A fisher from a small-scale fishery in Honduras hooks a yellowtail snapper—a species of fish that may vary its shape depending on where it's sourced.

To Pinpoint the Origin of a Fish, Check Out Its Physique

A new cost-effective tool may help small-scale fisheries simply and accurately determine the origins of a day’s catch.

A Clever Cuttlefish Goes in for the Kill

In a sandy gully, a school of razorfish are being stalked by an invisible predator and a master of disguise: the crafty cuttlefish

For sperm, there's a vas deferens between start and finish, but the epididymis is what alters these swimmers en route.

Dads Pass On More Than Genetics in Their Sperm

Seminal research reveals that sperm change their cargo as they travel the reproductive tract—and the differences can have consequences for fertility

Anolis scriptus, the Turks and Caicos anole, on Pine Cay

Lizards With Bigger Toes and Smaller Hind Legs Survive Hurricanes

A serendipitous study comparing the physical traits of lizards before and after 2017’s hurricane season shows natural selection in action

Scientists don full-body suits to minimize contamination and disturbance of the precious artifacts uncovered in the 1617 church in Jamestown, Virginia, where a new skeleton awaits identification.

A Jamestown Skeleton is Unearthed, but Only Time—and Science—Will Reveal His True Identity

Jamestown Rediscovery archeologists use new technology to uncover the bones of one of the first English colonists

Would your pup come to your rescue?

Why the Most Helpful Dogs Keep Calm and Carry On

Dogs are willing to overcome obstacles to help people in distress—as long as they keep their cool

The science behind the uptick in cheetah births includes a new fecal hormone method to determine pregnancy in the animals.

Zoo Announces Another Seven Adorable Cheetah Cubs Are Born

With wild populations threatened, emerging and new techniques in the breeding science is growing ever more critical

New Research Suggests Dr. Seuss Modeled the Lorax on This Real-Life Monkey

Facial recognition software refreshes the classic book’s message on conservation

Forest near Sarayaku, Ecuador

This Simulation Maps the Rise and Fall of Species Over 800,000 Years

Biogeographers have built a virtual world to trace the emergence and extinction of species during the last eight glacial cycles

Is there hope for B.O.?

Will a New Discovery About Body Odor Lead to Better Deodorants?

Biologists now understand a key part of the molecular process that results in body odor—and deodorants might just be able to disrupt it

Aggressive or sexual behavior in crows interacting with dead bodies might happen more often when sex hormones run rampant.

It’s Not Without Caws That Crows Desecrate Their Dead

What dead crows can teach us about the connections between sex and aggression

The Unexpected Afterlife of Ill-Gotten Wildlife Goods

Contraband pelts and scales can serve as educational tools, add to research collections and even offer clues back to smugglers

Humans and other animals share large amounts of genetic material, making geneticists rethink the traditional notion of inheritance.

New Research

Genes That Jump Between Species Could Rewrite Our Understanding of Evolution

Horizontal movement of genetic material is widespread across animals, challenging traditional notions of inheritance

A clear day at Acadia National Park in Maine.

National Parks Can Be Just as Smoggy as Major Cities

And it’s scaring away visitors

‘Earthrise,’ which appeared on the cover of the second and third Whole Earth Catalog, was taken by Apollo 8 astronaut Bill Anders during lunar orbit, Dec. 24, 1968.

50 Years Ago, the Whole Earth Catalog Launched and Reinvented the Environmental Movement

The publication gave rise to a new community of environmental thinkers, where hippies and technophiles found common ground

A male bee releasing its seminal fluid at the USDA bee lab in Baton Rouge, Louisiana. The male does not survive the process.

Is the Key to Saving Pollinators … Honey Bee Semen?

In the hopes of preserving their genetic diversity, entomologists are collecting and freezing this valuable fluid

A Polar Bear Released Back Into the Wild by Helicopter

A marauding polar bear is about to be returned to the the wild, as far away as possible from the town of Churchill

If you've waited this long for it, it must be good, right?

Both Mice and Men Struggle to Abandon Their Best-Laid Plans

Rodents suffer from the same sunk cost fallacy that makes it so hard for humans to call it quits

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