A bizarre group of uniquely shaped organisms known as rangeomorphs may have been some of the earliest animals to appear on Earth, uniquely suited to ocean conditions 575 million years ago. A new model devised by researchers ...
Evolution
Aug 11, 2014
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Scientists at the University of California, Riverside have discovered a fossil of a newly discovered organism from the "Ediacara Biota"—a group of organisms that occurred in the Ediacaran period of geologic time.
Archaeology
May 9, 2014
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The animals lived 520 million years ago during the Early Cambrian, a period known as the 'Cambrian Explosion' in which all the major animal groups and complex ecosystems suddenly appeared. Tamisiocaris belongs to a group ...
Archaeology
Mar 26, 2014
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The explosion of animal life on Earth around 520 million years ago was the result of a combination of interlinked factors rather than a single underlying cause, according to a new study.
Earth Sciences
Sep 19, 2013
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(Phys.org) -- The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today.
Earth Sciences
Apr 18, 2012
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Global glaciation likely put a chill on life on Earth hundreds of millions of years ago, but new research indicates that simple life in the form of photosynthetic algae could have survived in a narrow body of water with characteristics ...
Earth Sciences
Oct 11, 2011
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Paleontologists have discovered that a group of remarkable ancient sea creatures existed for much longer and grew to much larger sizes than previously thought, thanks to extraordinarily well-preserved fossils discovered in ...
Archaeology
May 25, 2011
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Fossils of a bizarre animal dubbed the "walking cactus" have shed light on the evolution of crabs and spiders, Chinese researchers reported in the journal Nature on Wednesday.
Archaeology
Feb 23, 2011
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(PhysOrg.com) -- About 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years that ultimately helped ...
Biotechnology
Dec 19, 2010
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Earth's 4.5-billion-year history is filled with several turning points when temperatures changed dramatically, asteroids bombarded the planet and life forms came and disappeared. But one of the biggest moments in Earth's ...
Earth Sciences
Jul 8, 2009
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