Life
Fossil of pregnant ground sloth discovered with fetus inside
Found in a Brazilian cave, the remarkable specimen of a ground sloth fetus inside its mother offers a rare insight into the developmental biology of the extinct mammal
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Bone disease in sabre-toothed tigers may be a sign of inbreeding
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Ancient reptiles’ long necks made them vulnerable to decapitation
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Extinct lizard was a bizarrely supersized version of modern skinks
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Woolly mammoths had testosterone surges like those of male elephants
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Broad-nosed ancient shark was one of earliest fish to smell in stereo
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Longest dinosaur neck on record was six times longer than a giraffe’s
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Oldest ichthyosaur fossil hints they evolved before mass extinction
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Fossil thought to be earliest bryozoan animal may actually be seaweed
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Spine of early crawling fish was becoming more like a land animal’s
Scans show that the spine and ribs of Tiktaalik, one of the first fish to crawl on land, had features that are more like those of early land animals than fish
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Sea life recovered from Permian mass extinction faster than we thought
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Early relatives of primates lived in the Arctic 52 million years ago
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Treasure trove of fossil eggs hints titanosaurs nested in colonies
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Trilobites used trident-like horns to fight over mates like stags
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