No matter how well adapted an animal may be, it can spell evolutionary doom to have feathers or even shells that become coveted by human beings. Take the nautilus, a creature that pulled easily through the asteroid impact ...
Archaeology
Jul 23, 2012
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Chameleons took to the waves to migrate from Africa to Madagascar about 65 million years ago, said a study published on Wednesday that seeks to resolve a roiling biological debate.
Plants & Animals
Mar 26, 2013
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(PhysOrg.com) -- Seeking to better understand the level of death and destruction that would result from a large meteorite striking the Earth, Princeton University researchers have developed a new model that can not only more ...
Earth Sciences
Oct 19, 2011
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The recent meteor explosion over Chelyabinsk brought to the forefront a topic that has worried astronomers for years, namely that an impactor from space could cause widespread human fatalities. Indeed, the thousand+ injured ...
Space Exploration
Mar 8, 2013
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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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(PhysOrg.com) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the culprit, keeping ...
Space Exploration
Sep 20, 2011
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(PhysOrg.com) -- A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs 65 million ...
Earth Sciences
Nov 17, 2011
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French and South African biologists will dive to deep-sea caves in the Indian Ocean next month in a bid to locate the coelacanth, the "living fossil" fish whose history predates the dinosaurs, France's National Museum of ...
Plants & Animals
Mar 29, 2013
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Dr John Stewart has made important contributions to a growing body of work that shows how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of ...
Evolution
Feb 26, 2013
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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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