Extinct animals
Giant elephants once roamed the Earth. We now know what killed them
Megafauna like massive elephants were once thought to have gone extinct due to humans arriving, but it turns out we weren't responsible after all.
Why frog species are being wiped out across the world
Frogs across the world are being infected by a skin-infecting fungus that is responsible for driving many species into being endangered or even extinct.
Parasites that feasted on extinct Tasmanian tiger still exist—"Remarkable"
The last known Tasmanian tiger—the iconic Australian mammal that was the largest living carnivorous marsupial—died in 1936.
De-Extinction plan to bring back dodo could have bad consequences
The expensive effort to bring the dodo back from the dead could have positive impacts in ecology and research, but could also negatively affect other animals.
Drought at Missouri river exposes ancient, possibly extinct, bison
Bones believed to be of the antique bison, an extinct species of bison larger than modern day bison that died out around 10,000 years ago, have been discovered.
Megalodon tooth covered in bite marks discovered off Florida coast
"Part of its root was sticking up a bit and I pulled it up," a diver said. "Later on the boat, I realized it was bite marks."
CIA Funding Wooly Mammoth De-Extinction Company
Paris Hilton has also invested in the company looking to use CRISPR gene editing technology to attempt to bring back the wooly mammoth from extinction.
Wolves on Brink of Extinction Make Major Comeback on Michigan's Isle Royale
Having dropped to a population of a mere two wolves in 2018, there are now 28 individuals on Isle Royale thanks to restoration efforts.
Scientists Trace Back Earliest Evolution of Human Teeth to Ancient Species
Evolutionary adaptations have excited researchers that have discovered a connection between mammals today and predators from about 300 million years ago.
Extinct Tasmanian Tiger Brought 'Back to Life' in Newly Colorized Footage
"I had to take care of the rare filmed footage and pay tribute to the last representative of a species, which disappeared 85 years ago," said Samuel François-Steininger.
Watch Last Known Footage of Extinct Tasmanian Tiger From 1935
Tasmanian tigers are among the largest carnivorous marsupials known to science.
Giant Ancient Shark Tooth Stolen From Secret Location
Megalodon could grow up to 18 meters in length and weigh as much as 37 tons.
Oldest Evidence of Parenting Found in Ancient Fossil
Not all animals take the time to parent their young, especially if they have hundreds per clutch of eggs. But it looks like this invertebrate did.
Baby Tasmanian Tigers Revealed With Imaging Scans
We may never see a living thylacine again, but at least we can learn something from the dead ones.
Oldest Plesiosaur, a Swimming Reptile, Discovered
These animals looked like the Loch Ness Monster, with long necks and sharp teeth.
Extinct Marsupial Lion Discovered in Australia
This fossil helps us understand how marsupial lions evolved.
Giant Headless Skeleton of Extinct Sea Cow Discovered
Surveying four small Russian islands near the shores of Alaska, scientists spotted a grizzly "fence" of bones on the beach that turned up a rare discovery.
Giraffe Ancestor Discovered in Spain had Four 'Horns'
Several extinct members of the giraffe family found in Madrid are shockingly weird-looking.
48-Million-Year-Old Fossil Bird Preened Its Feathers
Despite the odds, scientists have found one of the world's oldest preen glands in a 48-million-year-old bird fossil.
Stick Insect Thought Extinct Officially Back From Dead
DNA evidence confirms it: The "tree lobster" that was declared extinct a century ago is actually holding on.
Meet a New Sea Monster from the Age of Dinosaurs
This animal lived 190 million years ago and was excavated in the '80s. This week, it finally gets a name.
Is This Why the Woolly Mammoth Went Extinct?
A major clue as to the fate of the animals have been revealed—and it is not what you think.