Chinese paleontologists find new fossil link in bird evolution

Birds descended from theropod dinosaurs by the Late Jurassic, but our understanding of the earliest evolution of the Avialae, the clade comprising all modern birds but not Deinonychus or Troodon, has been hampered by a limited ...

Fossil spines reveal deep sea's past

Right at the bottom of the deep sea, the first very simple forms of life on Earth probably emerged a long time ago. Today, the deep sea is known for its bizarre fauna. Intensive research is being conducted into how the number ...

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