120 Million Years Old, Fossil Shows Divergence of Platypus and Anteater
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New research suggest that the platypus diverged from its closest relatives much earlier than previously thought.
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Description: The fossil remains of an ancient Spanish ape may help explain a key event in evolution. Scientists say the skeleton offers clues about how our ancestors stopped swinging from trees and started walking upright.
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A pterodactyl so small that you could hold it in your hand glided in forest canopies in northeastern China where it feasted on insects 120 million years ago, new fossil remains suggest.
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A new fossil of a juvenile dinosaur that lived 140 million years ago is shedding light on how the ancient reptiles grew from youngsters to enormous adults.
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Paleontologists have discovered the skull of the giant panda&#39;s earliest known ancestor, a &quot;pygmy-sized&quot; bear that lived in south China about two million years ago, according to a study released Monday.
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Humans, not climate change, wiped out large beasts such as marsupial lions and tree kangaroos that roamed Australia thousands of years ago, scientists have concluded based on a remarkable new set of fossils.
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Researchers find evidence that dinosaurs reached sexual maturity earlier than believed.
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MODERN human beings may have wiped out two species of our closest relatives 25,000 years ago, possibly deliberately. The new research, by scientists at the University of Utah, raises the possibility that we
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Scientists said the fossils should give new insights into a little-known period of early human origins.
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Two new studies throw some doubt into the conventional wisdom of what the Earth was like when dinosaurs roamed it
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Blog: Paleontologists have found that precursors to dinosaurs weren't so rapidly replaced as previously thought.
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A fabled fossil goes on view for the first time in decades  -  and ignites a controversy
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Dinosaurs shared the Earth for millions of years with the species that were their ancestors, a new study concludes.
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One of the most startling discoveries in the study of human origins -- the uncovering of a vanished species of dwarf proto-humans who inhabited a Pacific island just 18,000 years ago -- is being reported in today&#39;s issue of the journal Nature.
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The earliest evidence for the existence of reptiles is found in  rocks dating back 315 million years.
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Scientists reconstruct part of the genetic code of a 75-million-year-old mammal ancestor.
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Computer analysis of an African fossil indicates that a human-like creature walked upright six million years ago&#151;the earliest evidence of bipedalism found to date.