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Extinction

A sihek, or Guam kingfisher, chick born at the Smithsonian's National Zoo and Conservation Biology Institute

Four Rare Guam Kingfisher Chicks Hatch at Virginia Facility, Making an ‘Incredibly Valuable’ Addition to the Small Population of Extinct-in-the-Wild Birds

The species, also known as the sihek, was wiped out from its native Guam and kept alive in captivity. Conservationists released some birds on Palmyra Atoll in 2024, and they have been thriving so far

A chick hatches around 18 days after embryo transfer to the artificial egg, according to the company.

‘De-Extinction’ Company Says It Hatched Chicks From Artificial Eggs, Paving the Way for Resurrecting Dodos and Other Bygone Birds

Colossal Biosciences announced that 26 live baby chickens have emerged from 3D-printed honeycomb structures. But the company does not plan to detail the system in a paper, and its mission has faced criticism

This Socorro dove recently hatched at the San Diego Zoo Safari Park. Conservationists have been undertaking a decades-long effort to breed the extinct-in-the-wild species and one day reintroduce it to its native Socorro Island in Mexico.

New, Rare Dove Hatchlings Are a ‘Source of Hope’ for the Extinct-in-the-Wild Birds and a Step Forward in the Ambitious Project to Save Them

The Socorro dove has not been recorded in the wild since 1972, but that could change within only a few years, conservationists say, thanks to a long-term reintroduction effort

Neanderthals and modern humans have differently shaped skulls, which scientists have long assumed meant they also had different brains. But new research challenges that assumption.

New Research

Did Homo Sapiens Really Outsmart Neanderthals? Different Skull Shapes Didn’t Necessarily Mean Unequal Brain Capacity, New Research Shows

A study from U.S. and Chinese researchers suggests Neanderthals and early modern humans probably had similar cognitive abilities

As of April 10, 105 kakapo eggs had hatched, and 95 chicks were still alive.

A Bountiful Berry Harvest Put These Chunky, Endangered Parrots in the Mood. Now, Scientists Are Celebrating a Breeding Bonanza

New Zealand’s kakapo have laid 256 eggs, and around 100 of them have hatched, providing a bright spot in a decades-long conservation effort. The official chick count won’t be confirmed until the youngest birds are about 5 months old

Adult emperor penguins have waterproof feathers. But they replace all of them every year during their catastrophic molt, which makes them vulnerable.

As Their Antarctic Habitat Melts Away, Emperor Penguins Are Now Considered an Endangered Species

The International Union for Conservation of Nature predicts that the birds’ population could be cut in half by the 2080s. The organization also changed the statuses of Antarctic fur seals and southern elephant seals

More than 95 percent of the world’s bergamot oil production is concentrated in Southern Italy’s Calabria region. But harsh conditions driven by climate change threaten that supply.

Earth’s Smells Are Disappearing Because of Climate Change, and It’s a Vast Cultural Loss

A triple threat of pollution, extinction and warming temperatures is altering the way the planet smells. Scientists are only beginning to understand the stakes for humans

A visitor gazes at a statue of a giant short-faced bear. At around 11 feet tall, the Ice Age animal was the largest carnivorous mammal ever to roam North America.

250 Places to Celebrate America

The La Brea Tar Pits Have Been Sucking in Visitors for Millennia. Paleontologists Are Still Finding Out What Lies Within the Ooze

In Los Angeles, scientists are delighted to decode one of the richest fossil records on Earth

The last documented thylacine died at a zoo in Hobart in 1936, but people have reported hundreds of sightings of the extinct creature since then.

New Research

Rock Art Suggests the Tasmanian Tiger May Have Survived on Mainland Australia Longer Than Previously Thought

Archaeologists think some of the paintings may be less than 1,000 years old, even though the animals were thought to have disappeared from the continent roughly 3,000 years ago

Two researchers wore goggles, snorkels and wet suits while exploring the underground stream.

These Snorkeling Scientists Stumbled Upon a Surprising Trove of Fossils in a Texas Water Cave

They found remains of animals that have never been uncovered in Central Texas. The fossils hint that the region was warm, moist and forested 100,000 years ago

An artistic representation of Sonselasuchus cedrus, which may have lived in the forests in what is now Arizona around 215 million years ago

This Ancient Reptile Started Life on All Fours. As It Grew, It Stood Upright and Started Walking on Two Legs Instead

Scientists have identified a strange early crocodile relative that may have looked somewhat like a flightless bird

Little Foot's skull was distorted and damaged, so researchers spent years digitally reassembling the bones to understand what the individual's face might have looked like 3.67 million years ago.

New Research

See How Scientists Reconstructed the Face of Little Foot, a Human Ancestor Who Lived 3.67 Million Years Ago

For the first time, researchers have digitally reconstructed the facial fragments of the individual, who belonged to the Australopithecus genus

The pygmy long-fingered possum uses its specialized ears and long digits to hunt for grubs in rotting wood.

Scientists Thought These Marsupials Went Extinct 6,000 Years Ago. They Just Found the Animals Alive

The pygmy long-fingered possum and the ring-tailed glider are rare examples of “Lazarus species”

One of the birds is known as A1, or ‘Hlow Hoo-let,’ which means “At last I (or we) fly!”

These California Condors Might Be Tending to the Species’ First Egg in the State’s Northern Region in More Than a Century

Experts haven’t confirmed the existence of an egg, but the nesting birds’ behaviors suggest one was laid in early February

Sue the T. rex is one of the largest and most complete skeletons of the species ever discovered. She's housed at the Field Museum in Chicago and was analyzed in this study along with three other specimens.

Like an ‘Eight-Ton Chicken,’ Tyrannosaurus Rex May Have Run on Its Tiptoes to Catch Speedy Prey

A new study suggests that the giant dinosaurs’ locomotion resembled that of modern-day birds

Researchers have produced hundreds of Galápagos tortoises genetically related to the extinct Floreana Island subspecies, thanks to a surprising discovery and captive breeding program.

Giant Tortoises Vanished From the Galápagos’ Floreana Island More Than 150 Years Ago. Now, Conservationists Have Brought Them Back

Researchers released captive-bred tortoises carrying the ancestry of the extinct local species

Spinosaurus mirabilis prowled around what is now Africa some 95 million years ago.

This Massive, Meat-Eating Dinosaur Was a ‘Hell Heron’ That Waded Into Shallow Waters to Nab Slippery Fish

Paleontologists unearthed a new species of Spinosaurus in the Sahara Desert in Niger, a discovery that adds to the debate over whether the prehistoric creatures were fully or semi-aquatic

The greater Bermuda land snail

Scientists Once Thought This Snail Was Extinct. But a Surprising Discovery and Decade-Long Conservation Effort Revived the Species

Conservationists have bred and released more than 100,000 greater Bermuda land snails

New life may have evolved surprisingly fast after a famous mass extinction event about 66 million years ago.

After the Dinosaur-Killing Asteroid Wrecked the Planet, Life May Have Bounced Back Surprisingly Fast

The steady rate of falling space dust helped researchers recalibrate the timeline

Megalodons were massive predators that ruled the world's oceans.

Megalodons Went Extinct Millions of Years Ago. The Prehistoric Predator Could Become Maryland’s Official State Shark

Teeth belonging to the fearsome creatures have been discovered throughout the state. Now, they’re up for consideration by the state legislature

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