(Phys.org)—When Jeff Benca moved to Berkeley last month, he came so loaded with valuables he had to rent a truck. Make that a cargo van, air-conditioned to accommodate its contents—thousands of plant starts, many of them ...
Plants & Animals
Sep 5, 2012
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A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed in stages, according ...
Earth Sciences
Feb 3, 2012
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The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ushering in ...
Earth Sciences
Oct 26, 2011
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A fossil unearthed in China in the 1970s of a creature that died about 247 million years ago, originally thought to be a distant relative of both birds and crocodiles, turns out to have come from the crocodile family tree ...
Archaeology
May 18, 2011
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The P-T mass extinction may have been instigated by populations of algae dying. According to one group of scientists, this die-off of large numbers of relatively simple life forms caused a crash in the ocean's entire food ...
Earth Sciences
Dec 14, 2010
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A new fossil species suggests that some land animals may have survived the end-Permian extinction by living in cooler climates in Antarctica. Researchers have identified a distant relative of mammals that apparently survived ...
Earth Sciences
Dec 2, 2009
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(PhysOrg.com) -- Scientists beleive extinct fungus species capitalised on a world-wide disaster and thrived on early Earth.
Earth Sciences
Oct 1, 2009
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(PhysOrg.com) -- Reptiles changed their walking posture from sprawling to upright immediately after the end-Permian mass extinction, the biggest crisis in the history of life that occurred some 250 million years ago and wiped ...
Archaeology
Sep 15, 2009
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(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history.
Earth Sciences
Mar 2, 2009
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