Life
T. rex’s unusual eye sockets helped it evolve a powerful bite
Some large, meat-eating dinosaurs such as Tyrannosaurus rex had keyhole-shaped eye sockets, and reconstructions suggest this helped them bite with greater force
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Life
A fish that evolved to stand up on land went back to living in water
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Life
Three-eyed predator stalked the seas 500 million years ago
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Life
Meraxes gigas was a huge dinosaur with tiny arms like T. rex
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Life
Pterosaur fossil suggests feathers may have evolved long before flight
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Comment
There are things we will never know about dinosaurs – here’s why
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Life
Some of the earliest complex animals were fossilised in a river delta
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Life
A 6-metre-long crocodile relative lived in China during the Bronze Age
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Earth
Burst of animal evolution altered chemical make-up of Earth’s mantle
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Life
Tyrannosaurus rex may actually be three separate species
After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced
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Humans
New human species has been named Homo bodoensis – but it may not stick
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Life
Some ancient giant ground sloths dined on meat
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Life
Land-dwelling turtles from the Cretaceous period had extra-tough eggs
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Life
Sponge fossils suggest animals already existed 890 million years ago
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