News tagged with geological period

The worms that changed the world

In the shallow waters of a sea in northern China 500 million years ago, a dazzling new array of creatures was swimming: part of an explosion of animal diversity that would forever change the course of life on Earth.

dateJul 18, 2017 in Archaeology & Fossils
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New prehistoric bird species discovered

A team of geologists at the University of Rochester has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost ...

dateDec 19, 2016 in Archaeology & Fossils
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Oldest known sponge found in China

(—A team of researchers with members from China, the U.S. and France has identified an ancient sponge found in a geologic formation in southern China and have dated it to 600 million years ago. In their paper published ...

dateMar 10, 2015 in Evolution report
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Late Cretaceous Period was likely ice-free

For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today. Now, a University of Missouri researcher ...

dateSep 24, 2013 in Earth Sciences
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