An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's largest dataset of ...
Archaeology
Feb 7, 2013
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Domestic cats in the United States kill up to 3.7 billion birds and as many as 20.7 billion mice, voles and other small mammals each year, biologists estimated on Tuesday.
Ecology
Jan 29, 2013
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The latest study of the microscopic wear patterns on the teeth of the American lions and saber-toothed cats that roamed North America in the late Pleistocene found that they were living well off the fat of the land in the ...
Archaeology
Dec 26, 2012
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The small fragments of tropical forests left behind after deforestation are suffering extensive species extinction, according to new research led by the University of East Anglia (UEA).
Environment
Aug 14, 2012
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From protozoans to mammals, evolution has created more and more complex structures and better-adapted organisms. This is all the more astonishing as most genetic mutations are deleterious. Especially in small asexual populations ...
Evolution
Aug 10, 2012
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Until now it was thought that fin whales in the Strait of Gibraltar and the Alboran Sea made up part of the distribution of this species of whale in the Mediterranean. However, an international team of scientists led by a ...
Plants & Animals
Jul 26, 2012
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In a single new scientific publication, 24 new species of lizards known as skinks, all from islands in the Caribbean, have been discovered and scientifically named. According to Blair Hedges, a professor of biology at Penn ...
Ecology
Apr 30, 2012
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A technique that monitors whales through the sounds they emit has answered a key issue raised by the explosion of the Deepwater Horizon oil rig in the Gulf of Mexico two years ago this month.
Plants & Animals
Apr 6, 2012
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In the Jurassic era, even the flea was a beast, compared to its minuscule modern descendants. These pesky bloodsuckers were nearly an inch long.
Paleontology & Fossils
Feb 29, 2012
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Some of Ireland's oldest inhabitants are facing serious threat and possible extinction because of foreign species, according to researchers at Queen's University.
Ecology
Feb 21, 2012
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