New research has revealed that the evolution of the complex, weight-bearing hips of walking animals from the basic hips of fish was a much simpler process than previously thought.
Evolution
May 14, 2013
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More than 200 million years ago, a massive extinction decimated 76 percent of marine and terrestrial species, marking the end of the Triassic period and the onset of the Jurassic. This devastating event cleared the way for ...
Earth Sciences
Mar 22, 2013
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A new fossil discovered in Tunisia represents the oldest known ancestor of modern-day sea cows, supporting the African origins of these marine mammals. The find is described in research published January 16 in the open access ...
Archaeology
Jan 16, 2013
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The climate after the largest mass extinction so far 252 million years ago was cool, later very warm and then cool again. Thanks to the cooler temperatures, the diversity of marine fauna ballooned, as paleontologists from ...
Earth Sciences
Dec 21, 2012
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(Phys.org)—Small mammal populations across Europe were wiped out multiple times during the last Ice Age, due to an inability to deal with rapid climate change, according the research published today in the journal Proceedings ...
Plants & Animals
Nov 27, 2012
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A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...
Plants & Animals
Oct 4, 2011
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(PhysOrg.com) -- A University of Florida study demonstrates extinction's ripple effect through the animal kingdom, including how the demise of large mammals 20,000 years ago led to the disappearance of one species of cowbird.
Archaeology
Mar 7, 2011
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Researchers are proposing in a new report that a major experiment be conducted to reintroduce wolves to a test site in the Scottish Highlands, to help control the populations and behavior of red deer that in the past 250 ...
Plants & Animals
Jul 20, 2009
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The drought plaguing the Amazon is a worrying portrait of the climate challenges facing the world. The combination of the El Niño phenomenon and anthropogenic climate change has played a significant role in accentuating ...
Earth Sciences
Oct 18, 2023
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Greater conservation efforts are needed to protect Antarctic ecosystems, and the populations of up to 97% of land-based Antarctic species could decline by 2100 if we don't change tack, our new research has found.
Environment
Dec 23, 2022
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