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Mars May Have Supported Life: Martian Underground Could Contain Clues to Life's Origins
January 20, 2013 Minerals found in the subsurface of Mars, a zone of more than three miles below ground, make for the strongest evidence yet that the red planet may have supported life, according to new ... > full story -
New Research Throws Doubt on Earlier 'Killer Walrus' Claims
January 17, 2013 Palaeontologists who examined a new fossil found in southern California have thrown doubt on earlier claims that a "killer walrus" once ... > full story -
Great Oxidation Event: More Oxygen Through Multicellularity
January 17, 2013 The appearance of free oxygen in the Earth’s atmosphere led to the Great Oxidation Event. This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as ... > full story -
Earliest Sea Cow Ancestors Originated in Africa, Lived in Fresh Water
January 16, 2013 A new fossil discovered in Tunisia represents the oldest known ancestor of modern-day sea cows, supporting the African origins of these marine ... > full story -
What Did Our Ancestors Look Like? Hair and Eye Color Can Be Determined for Ancient Human Remains
January 13, 2013 A new method of establishing hair and eye color from modern forensic samples can also be used to identify details from ancient human remains, finds a new study. The HIrisPlex DNA analysis system was ... > full story -
Scientists Reassemble the Backbone of Earliest Four-Legged Animals Using Synchrotron X-Rays
January 13, 2013 Scientists have been able to reconstruct, for the first time, the intricate three-dimensional structure of the backbone of early tetrapods, the earliest four-legged animals. High-energy X-rays and a ... > full story -
Low Extinction Rates Made California a Refuge for Diverse Plant Species
January 9, 2013 The remarkable diversity of California's plant life is largely the result of low extinction rates over the past 45 million years, according to a new study. Although many new species have evolved in ... > full story -
Jurassic Ecosystems Were Similar to Modern: Animals Flourish Among Lush Plants
January 8, 2013 In modern ecosystems, animals flourish amid lush vegetation. That was true 150 million years ago too, says a new study by paleontologists. They applied ecological principles to geochemical data from ... > full story -
Giant Fossil Predator Provides Insights Into the Rise of Modern Marine Ecosystem Structures
January 7, 2013 An international team of scientists has described a fossil marine predator measuring 8.6 meters in length (about 28 feet) recovered from the Nevada desert in 2010 as representing the first top ... > full story -
First Fossil Bird With Teeth Specialized for Tough Diet
January 7, 2013 Beak shape variation in Darwin's finches is a classic example of evolutionary adaptation, with beaks that vary widely in proportions and shape, reflecting a diversity of ecologies. While living birds ... > full story
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