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fossils

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Tiny T. rex fossils may be distinct species – but not everyone agrees

Palaeontologists can’t agree on whether fossils from several small dinosaurs represent juvenile Tyrannosaurus rex or smaller adults of a separate species that lived alongside them

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An ancient whale claimed the title of heaviest animal ever in 2023

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Ancient trilobite stuffed itself with food almost to bursting point

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Illustration of a Trilobite Gut Fossil.
Artist illustration of Prosaurosphargis yingzishanensis

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Ancient armoured animal leads to rethink of reptile evolutionary tree

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2PEK6YC Professor Chris Stringer, Head of Human Origins at London's Natural History Museum, moves a cast taken from the a skull of what is said to be a new species in the evolution of man named 'Homo Floresiensis' during a news conference Wednesday Oct. 27, 2004. At left is a cast of Homo Sapiens skull. (AP Photo/Richard Lewis)

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How artefacts are found tells its own story – if we want to hear it

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Fossilised reptile poo contains 200-million-year-old parasites

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The newly discovered Perucetus colossus, an ancient species of whale, is thought to be one of the largest and heaviest animals on record, reports a study published in Nature. Estimates of its size and weight, based on a partial skeleton, rival those of the blue whale, which was previously thought to be the heaviest animal ever to exist. The findings suggest that the trend towards gigantism in marine mammals may have begun earlier than previously thought. Reconstruction of Perucetus colossus in its coastal habitat. Estimated body length: ~20 meters. Credit: Alberto Gennari

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Ancient whale might have been the heaviest animal that ever lived

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Oldest adult jellyfish fossil ever found is over 500 million years old

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Oldest adult jellyfish fossil ever found is over 500 million years old

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Minimocursor phunoiensis was discovered in Thailand

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Newly discovered dinosaur roamed South-East Asia 200 million years ago

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Two new sabretooth cat species identified from fossils in South Africa

Two sabretooth cat species that lived 5 million years ago had 10-centimetre-long fangs, which they probably used to hunt prey in forested landscapes like leopards do

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Amazing fossil hints mammals hunted dinosaurs three times their size

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Fossil of pregnant ground sloth discovered with fetus inside

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Ancient alligator had a stubby snout and may have chomped on snails

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Ancient reptiles' long necks made them vulnerable to decapitation

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