Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is often referred to as the "Cambrian Explosion."
Earth Sciences
Nov 10, 2010
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(PhysOrg.com) -- Professor Bernard Degnan from University of Queensland's School of Biological Sciences has led an international team of scientists to sequence the genome of the first marine animal from Australian waters.
Biotechnology
Aug 4, 2010
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(PhysOrg.com) -- Nature, in all its glory, is nothing if not thrifty.
Evolution
Jul 27, 2010
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(PhysOrg.com) -- New York State Paleontologist Dr. Ed Landing is the lead author of an article published in the June issue of Geology that provides the first definitive proof that all major animal groups with internal and ...
Archaeology
Jul 7, 2010
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(PhysOrg.com) -- Trails found in rocks dating back 565 million years are thought to be the earliest evidence of animal locomotion ever found, Oxford University scientists report.
Paleontology & Fossils
Feb 4, 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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A missing link in the evolution of the front claw of living scorpions and horseshoe crabs was identified with the discovery of a 390 million-year-old fossil by researchers at Yale and the University of Bonn, Germany.
Archaeology
Feb 5, 2009
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