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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'We're bringing back avian dinosaurs': De-extinction company claims it will resurrect the giant moa in next 10 years
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'Ash-winged dawn goddess' is oldest pterosaur ever discovered in North America — and it was small enough to sit 'on your shoulder'
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'It's how I would imagine I would react if I saw a real-life giant dinosaur': What Jurassic World Rebirth's scientific advisor thinks of the movie
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Mysterious 'runner' dinosaur a sign there are more Jurassic secrets to unlock beneath western US
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'Statistically, that shouldn’t have happened': Something very weird occurred in the ocean after the dinosaur-killing asteroid hit
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Meet 'Dragon prince' — the newly discovered T. rex relative that roamed Mongolia 86 million years ago
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Giant 85 million-year-old mystery sea monster fossil finally identified
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'Ash-winged dawn goddess' is oldest pterosaur ever discovered in North America — and it was small enough to sit 'on your shoulder'
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'It's how I would imagine I would react if I saw a real-life giant dinosaur': What Jurassic World Rebirth's scientific advisor thinks of the movie
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Mysterious 'runner' dinosaur a sign there are more Jurassic secrets to unlock beneath western US
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Meet 'Dragon prince' — the newly discovered T. rex relative that roamed Mongolia 86 million years ago
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T. rex may have evolved in North America after all, scientists say
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Pterosaur tracks reveal flying reptiles were comfortable on land, too
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Dinosaurs might still roam Earth if it weren't for the asteroid, study suggests
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Researchers react to T. rex 'leather' announcement
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What was the fastest dinosaur?
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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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Woolly mammoth de-extinction inches closer after elephant stem cell breakthrough
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Giant 85 million-year-old mystery sea monster fossil finally identified
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Colossal chief scientist clarifies de-extinction claim, while confirming its 'dire wolves' are 'grey wolves with 20 edits'
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OpinionColossal's de-extinction campaign is built on a semantic house of cards with shoddy foundations — and the consequences are dire
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