Most species that ever lived on Earth are now extinct, with the planet having experienced at least five mass extinction events. Live Science brings you expert coverage of extinction as researchers uncover fossils and gain new insights into ancient animals — and track the sixth mass extinction event that appears to have begun.
So whether you're after facts about dodos and dinosaurs, curious about extinct animals that could be brought back to life, or want to know what living animals could be gone by 2050, our writers and editors have you covered with the news, features and articles about extinct species.
Discover more about extinct species
—Cretaceous period: Animals, plants and extinction event
—Dinosaurs: Facts about the reptiles that roamed Earth more than 66 million years ago
—What's the first species humans drove to extinction?
—Woolly mammoths: Facts about these extinct, shaggy beasts that once roamed the Arctic
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T. rex quiz: How much do you really know about the king of the dinosaurs?
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Giant 'cow of the Cretaceous' discovered almost 100 years ago identified as new duck-billed dinosaur
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Spinosaurus relative longer than a pickup truck stalked Thailand's rivers 125 million years ago
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18,000 dinosaur tracks discovered along ancient Bolivian coastline — and they set a new record
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Large, bone-crushing dogs stalked 'Rhino Pompeii' after Yellowstone eruption 12 million years ago, ancient footprints reveal
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How to watch 'Prehistoric Planet' – Streaming details as new season 'Ice Age' lands on Apple TV
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A new Apple TV series brings to life iconic animals of the last ice age.
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T. rex quiz: How much do you really know about the king of the dinosaurs?
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Giant 'cow of the Cretaceous' discovered almost 100 years ago identified as new duck-billed dinosaur
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Spinosaurus relative longer than a pickup truck stalked Thailand's rivers 125 million years ago
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18,000 dinosaur tracks discovered along ancient Bolivian coastline — and they set a new record
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Nanotyrannus isn't a 'mini T. Rex' after all — it's a new species, 'dueling dinosaurs' fossil reveals
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First-ever 'mummified' and hoofed dinosaur discovered in Wyoming badlands
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Rare fossils in New Mexico reveal dinosaurs were doing just fine before the asteroid annihilated them all
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Gigantic dinosaur with 'claws like hedge trimmers' found with croc leg still in its jaws in Argentina
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Oldest-known dome-headed dinosaur discovered sticking out of a cliff in Mongolia's Gobi Desert
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Mammoth RNA sequenced for the first time, marking a giant leap toward understanding prehistoric life
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'Unusual' wooly mammoth tooth oldest ever found in North America
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130,000-year-old baby mammoth goes under the knife
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25,000-year-old mammoth bones reveal culture of ancient humans
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Rare mammoth tusk found on West Texas ranch
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QuizMammoth quiz: Test your knowledge of the ice age beasts
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Pollen allergies drove woolly mammoths to extinction, study claims
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Ancient chromosomes from woolly mammoth discovered in 52,000-year-old freeze-dried skin
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Mystery 'random event' killed off Earth's last woolly mammoths in Siberia, study claims
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