Reproduction

This adult Partula tohiveana snail doesn't have a dot of UV-reflective paint on its shell, meaning it was born in the wild.

These Tiny Snails Are Breeding in the Wild for the First Time in 40 Years in French Polynesia

During a release of captive-bred snails in September, researchers discovered wild-born individuals from the Partula tohiveana species—which had been considered extinct in the wild—marking a huge milestone in a global effort to save them

Cloned black-footed ferret Antonia's kits at three weeks old, on July 9, 2024.

A Cloned Ferret Has Given Birth for the First Time in History, Marking a Win for Her Endangered Species

Antonia, a cloned black-footed ferret at the Smithsonian's National Zoo and Conservation Biology Institute, has produced two healthy offspring that will help build genetic diversity in their recovering population

Researchers are trying to "bring back" the thylacine, or Tasmanian tiger, a species that has not been officially recorded since 1936.

A 110-Year-Old Pickled Thylacine Head Helped Build the Most Complete Ancient Genome to Date, Says 'De-Extinction' Company

Colossal Biosciences reports it extracted DNA and RNA from the Tasmanian tiger specimen, a key step forward in its effort to create a modern proxy of the extinct species. Other scientists are calling for data to back up the claim

A researcher holds a juvenile queen conch. Adults can reach up to 12 inches in length.

Scientists Play Matchmaker for Beloved Sea Snails in the Florida Keys

To boost the iconic queen conch's population, researchers are relocating the heat-stressed creatures to cooler, deeper waters to help them find mates

DCPA is used on crops such as broccoli, Brussels sprouts, cabbage and onions.

'Dangerous' Pesticide That Could Harm Fetuses Is Pulled From the Market in Historic Move by EPA

Often used to kill weeds around crops, DCPA poses a health risk to the unborn babies of pregnant farmworkers, according to the agency

Fe (pictured with her mate) hatched two chicks this breeding season, bringing the total number of her known offspring to 42.

She's the Oldest Common Loon in the World. She Just Had Her 42nd Chick

Fe, who is at least 38 years old, initially rose to fame as one half of the "resident power couple" at Michigan's Seney National Wildlife Refuge

A woman stands behind a model of a Neanderthal at the Natural History Museum in London. Contrary to the narrative that early humans left Africa roughly 50,000 years ago, a new study finds our species migrated from the continent on multiple occasions.

Early Humans Migrated Out of Africa Several Times, DNA Study Suggests

Homo sapiens interbred with Neanderthals as early as 250,000 years ago and may have ultimately bred them out of existence, according to new research

Project leader Laura Cinti visited the Wood's cycad at Royal Botanic Gardens, Kew, in London.

The 'World's Loneliest Plant' Could Soon Find a Mate With a Little Help From A.I.

The only known wild Wood's cycad was discovered in 1895, and it has since been cloned into many male trees. Now, researchers are scouring a forest in South Africa for an elusive female specimen

For some animals, romance goes more smoothly when it comes with gifts.

When It Comes to Romantic Gift-Giving, Humans Aren’t Alone. Snails, Birds and Flies All Woo Each Other With Presents

Throughout the animal kingdom, sweethearts bestow offerings with their amorous advances

An 18th-century illustration of a jury of matrons

How All-Female 'Juries of Matrons' Shaped Legal History

Courts called on these jurors to determine whether women sentenced to death were pregnant or faking it to avoid execution

At the beginning of June, aquarium officials announced Charlotte was no longer pregnant due to a reproductive disease.

Charlotte the 'Pregnant Virgin' Stingray Dies After Diagnosis of Reproductive Disease

The animal drew attention earlier this year for becoming pregnant despite having no male ray in her tank

Tusks and other fossilized remains are all that's left of the woolly mammoths that lived on Wrangel Island thousands of years ago.

What Killed the Last Woolly Mammoths? Scientists Say It Wasn't Inbreeding

New research suggests some catastrophic event—such as a natural disaster or a virus—killed the world's last known population of mammoths on Wrangel Island

Charlotte is a round stingray, a species named for its circular, disk-shaped body.

'Pregnant Virgin' Stingray Won't Give Birth After All—Here's Why

Charlotte, a female round stingray in North Carolina who has gathered a legion of online fans, is no longer pregnant due to a "rare reproductive disease"

The world's oldest common loons, ABJ and Fe, in July 2020. The pair's 32nd and last hatched chick sits on Fe's back.

Follow the Soap Opera-Worthy Relationship Drama of the World's Oldest Common Loons

Called ABJ and Fe, the duo mated every spring for 25 years—but they split up in 2022. Now, they’re back at their Michigan breeding grounds, showing no signs of getting together

Eastern coyotes—a subspecies that has coyote, wolf and domestic dog DNA—run in a West Virginia forest.

Five Shocking Animal Hybrids That Truly Exist in Nature, From Narlugas to Grolar Bears to Coywolves

The now-famous “virgin” stingray Charlotte is not having hybrid babies, scientists say. But in nature, distinct species sometimes interbreed to produce surprising offspring

Beluga whales are one of five species of whale that undergo menopause. The new study finds that females in these five species live decades longer than females of similarly sized species.

Whales That Go Through Menopause Live Longer and May Help Care for Grandchildren

Alongside humans, five species of toothed whales are known to experience menopause. A new study suggests they evolved the trait to increase their lifespan

The otherworldly form of the octopus has inspired millennia of fear and awe from humans.

Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains and Blue Blood

These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve inspired horror, admiration and culinary prestige

Charlotte, a round stingray, was determined to be pregnant, despite not having a male ray companion for at least eight years.

A Female Stingray That Hasn't Had a Mate in Eight Years Is Mysteriously Pregnant. Is a Shark the Father?

Though the round stingray, named Charlotte, shares her aquarium tank with two male sharks, experts say it is impossible for a shark to impregnate a ray

A mother "Dorado" octopus, one of the newly announced species, protects her eggs some 3,000 meters under the ocean's surface.

Biologists Discover Four New Octopus Species in the Deep Ocean Off Costa Rica

One species was found brooding eggs near low-temperature hydrothermal vents, a rare sight that could unlock new information on deep-sea cephalopods

One possible explanation for the low-frequency noises? Mating black drum fish.

Mysterious Bass Sounds Irking Florida Residents Might Just Be Fish Mating Loudly

The Tampa community raised money to fund an investigation, and now, a local scientist will install underwater microphones to look for the source of the racket

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