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
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'A set of large teeth sticking out of the ground': Scientists reveal ancient hypercarnivore discovered in Egyptian desert
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Divers discover 500,000-year-old treasure trove of fossils in Florida sinkhole
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Secrets of 1st dinosaurs lie in the Sahara and Amazon rainforest, study suggests
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'Sexy' pterosaur tail should have been nightmare for flying. How did it work?
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Giant horned dinosaur's fossils were destroyed in WWII — but photos reveal it was an unknown species
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World's tiniest cat was a palm-sized tiddler that lived in China 300,000 years ago
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Enormous skull of 200-million-year-old giant dinosaur discovered in China
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Secrets of 1st dinosaurs lie in the Sahara and Amazon rainforest, study suggests
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'Sexy' pterosaur tail should have been nightmare for flying. How did it work?
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Giant horned dinosaur's fossils were destroyed in WWII — but photos reveal it was an unknown species
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Enormous skull of 200-million-year-old giant dinosaur discovered in China
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Oldest-known dinosaur in North America is a 'chicken-size' raptor — and changes what we know about how dinos conquered Earth
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Weird bumps in UK quarry turn out to be 166 million-year-old dinosaur 'highway' for some of Jurassic's biggest dinosaurs
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A sea monster with its head on its butt? 10 times we were completely wrong about dinosaur-age creatures
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Most expensive dinosaur skeleton ever now on display in New York City
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Dinosaur puke and poop help reveal how they took over the world
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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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'That's a huge amount of movement for a single mammoth': Woolly female's steps retraced based on chemistry of 14,000-year-old tusk
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Huge, complete mammoth tusk accidentally discovered by North Dakota coal miners
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Woolly mammoths were seasonal sex fiends just like elephants, study finds
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Woolly mammoths weren't always shaggy. Here's when they evolved some of their trademark features.
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