Extinct animals are those species which are no longer living. This group includes prehistoric animals like dinosaurs and ice-age mammals, as well as moden species like the Dodo.
Possible 'Baby' T. Rex Enters Dinosaurian Debate
Rare Egyptian Fossil Find Holds Clues About African Dinosaur Migration
Ancient Fish Strutted Seafloor Before Land Animals
Huge Cache of Pterosaur Eggs Discovered in China
This Mammalian Ancestor Was Also Earth's Earliest Venomous Vertebrate
'E.T.' For Real? Newly Discovered 100 Million-year-old Insect Looks Like Alien
University of Kansas paleontologists are comparing the bones of a new T. rex to determine if they've got a juvenile Tyrannosaurus or a mature Nanotyrannus on their hands.
By Mark Mancini Apr 4, 2018
Walking evolved not on land but underwater.
By Robert Lamb Feb 9, 2018
Could this exciting find help bridge the gaps between Africa's late Cretaceous fossil record and that of other continents?
By Mark Mancini Feb 6, 2018
The fossilized find provides us with another example of the oldest bird species we know of.
By Robert Lamb Jan 31, 2018
Paleontologists in China hit the jackpot of fossilized pterosaur eggs.
By Mark Mancini Dec 8, 2017
The American Southwest was once prime tyrannosaur country, as a newfound skeleton reminds us.
By Mark Mancini Oct 24, 2017
Scientists are at odds about whether Velociraptors worked together to take down their prey.
By Mark Mancini Oct 18, 2017
A new study found that the Beelzebufo frog had a bite strong enough to take down dinosaurs.
By Mark Mancini Oct 2, 2017
Instead of a mouth, the hell ant had blades and a metal horn to catch its prey. Ouch.
By Melanie Radzicki McManus Sep 13, 2017
A new study suggests the extinct aquatic reptiles used all four flippers for uniquely efficient underwater motion.
By Mark Mancini Sep 1, 2017
Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?
By Mark Mancini Aug 30, 2017
Scientists generally agree that dinosaurs sported colorful, feather-like plumage. So do moviemakers lack imagination, or do audiences?
By Chris Opfer Jul 25, 2017
Accidentally tripping on and discovering the fossilized skull of an extinct giant elephant seems like a 9-year-old's dream come true.
By Christopher Hassiotis Jul 20, 2017
The megapodes were supertall, but that didn't keep them from taking flight.
By Kate Kershner Jun 21, 2017
The colossal footprints of an herbivorous dinosaur found in western Australia might belong to the biggest dinosaur ever.
By Jesslyn Shields Mar 28, 2017
When we think venom, we think cobras and vipers. But Euchambersia was a reptile, a mammalian ancestor, and venomous, according to new fossil analysis.
By Patrick J. Kiger Feb 23, 2017
This insect's appearance and characteristics are so unusual, it has received its own scientific order.
By Alia Hoyt Feb 1, 2017
Based on some baby dinosaur teeth, scientists have figured out just how long dinosaur eggs incubated. (The answer? Long. Too long.)
By Jesslyn Shields Jan 6, 2017
And, to top it all off, it's got feathers on it.
By Julia Layton Dec 20, 2016
A recent discovery of the partial skeleton of a small pterosaur calls into question whether flying reptiles of the Late Cretaceous were all humongous.
By Jesslyn Shields Sep 20, 2016
The method this ancient carnivore employed is unlike anything we see in predators today.
By Jesslyn Shields Aug 23, 2016
A small island off the coast of Alaska supported a mammoth population until sea levels rose and fresh water sources shrank.
By Christopher Hassiotis Aug 3, 2016
Spiclypeus shipporum was a dinosaur that roamed Montana 76 million years ago, and its unique horn structures set it apart from other horned dinos.
By Christopher Hassiotis Jun 8, 2016
Nature is one big interconnected system. Learn how flowers and dinosaurs helped the dung beetle appear on the planet.
By Jesslyn Shields May 5, 2016
A new analysis of Rapetosaurus fossils can shed light on how certain dinosaurs socialized and evolved.
By Christopher Hassiotis Apr 21, 2016
The Sun Has Siblings, and You Can Help Find Them
Is Your Car Road-trip Ready?
Defining 'Suspicious Behavior' Without Bias Is Harder Than You Think