Extinction
One Million Species at Risk of Extinction, Threatening Human Communities Around the World, U.N. Report Warns
A global assessment compiled by hundreds of scientists found that humans are inflicting staggering damage on the world’s biodiversity
The United States May List Giraffes as an Endangered Species
Last week, the U.S. Fish and Wildlife Service announced plans to conduct in-depth review of the popular animal's threat status
Found: The Remains of a 27,000-Year-Old Sloth That Got Stuck in a Sinkhole
The sloth’s tooth, which was discovered in a deep pool in Belize, is helping scientists learn about the animal’s diet and the climate in which it lived
Human Hunting Is Driving the World's Biggest Animals Toward Extinction
A new analysis found that 70 percent of Earth's largest creatures are decreasing in number, while 59 percent are at risk of extinction
This Ancient Reptile Had a Small Head, Tiny Eyes and a Platypus-Like Bill
Even paleobiologists find Eretmorhipis carrolldongi strange
The Last Wild Caribou of the Lower 48 Has Been Placed in Captivity
It will soon be released into another herd, but scientists do not know if caribou will even again inhabit the contiguous United States
A Hawaiian Snail Named George, Believed to Be the Last of His Species, Has Died
His death highlights a larger concern: Scientists estimate that 90 percent of terrestrial snail diversity on the Hawaiian Islands has been lost
We Still Don’t Know Why the Reign of the Dinosaurs Ended
The asteroid strike on the Yucatán Peninsula 66 million years ago is only part of the story
How Did the ‘Great Dying’ Kill 96 Percent of Earth’s Ocean-Dwelling Creatures?
Researchers say the prehistoric mass extinction event could mirror contemporary—and future—devastation sparked by global warming
Thousands of Little-Known Plant Species Are at Risk of Extinction
When researchers used machine learning to evaluate 150,000 plant species, they found that 10 percent were likely to qualify for the IUCN Red List
Modern Humans Emerged As Ancient 'Siberian Unicorns' Died Out—But Their Demise Wasn't Our Fault
A new study has found that the ancient rhinoceros went extinct 39,000 years ago—not 100,000 years ago, as experts previously believed
How a Changing Climate May Have Killed Off the Marsupial Lion
The fearsome predator, related to koalas and wombats, ruled the wilds of Australia until the loss of its habitat helped drive it to extinction
This Dino-Era Bird Was as Advanced as Modern Species. So Why Did It Disappear?
An enantiornithine fossil found in the western U.S. sat in storage for 25 years before it was officially described
The Bison Returns to the Great American Plains
After years of fierce debate, the West’s greatest symbol will again roam the countryside
Earth Lost 2.5 Billion Years’ Worth of Evolutionary History in Just 130,000 Years
Even if humans curbed destructive actions within next 50 years, it would take between five to seven million years for mammal biodiversity to fully recover
Newly Described Elephant Bird Is the Biggest Yet
A new study is bringing long-overdue scientific rigor to the elephant bird’s family tree
The Catch of the Day Is a 10,000-Year-Old Gigantic Deer Skull
Last week, Irish fishermen pulled up the skull and horns of an extinct great elk, which could have 12-foot-wide antlers
In the Last Decade, Four Birds Went Extinct and Four More Are Likely Gone
Habitat loss is the main culprit in killing off the birds, including Spix's macaw, the star of the popular 2011 film <i>Rio</i>
Oral History Suggests Māori Proverbs on Bird Extinction Mirrored Fears of Indigenous Group’s Own Decline
The moa, a giant flightless bird, served as symbol of extinction and reflection of Māori fears over encroaching European presence
DNA of Extinct Cave Bear Lives on in Modern Brown Bears
A new genetic study has found that the two species interbred
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