(Phys.org) —It's among the most ancient of questions: What are the origins of life on Earth? A new experiment simulating conditions in deep space reveals that the complex building blocks of life could have ...
Mar 05, 2013
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The Miller-Urey experiment, conducted by chemists Stanley Miller and Harold Urey in 1953, is the classic experiment on the origin of life. It established that the early Earth atmosphere, as they pictured it, ...
Sep 04, 2009
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For 80 years it has been accepted that early life began in a 'primordial soup' of organic molecules before evolving out of the oceans millions of years later. Today the 'soup' theory has been over turned in a pioneering paper ...
Feb 02, 2010
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(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Nov 06, 2009
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Researchers analyzing meteorite fragments that fell on a frozen lake in Canada have developed an explanation for the origin of life's handedness – why living things only use molecules with specific orientations. ...
Jul 25, 2012
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One of the big, unsolved problems in explaining how life arose on Earth is a chicken-and-egg paradox: How could the basic biochemicals -- such as amino acids and nucleotides -- have arisen before the biological ...
Sep 03, 2010
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(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.
Apr 04, 2011
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(PhysOrg.com) -- Life on Earth as we know it really could be from out of this world. New research from Lawrence Livermore National Laboratory scientists shows that comets that crashed into Earth millions of ...
Sep 13, 2010
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In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.
Dec 22, 2009
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(PhysOrg.com) -- A lot of work has been done over the years to nail down the origins of life, with much speculation given to whatever first bit of “life” appeared from what was before, nothing but non-living material. ...
Nov 28, 2011
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With a bit of luck and a new space telescope, within five years we could know the answer to a question that humanity has pondered for millennia: Is there life beyond Earth?
Sep 17, 2010
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The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Jun 29, 2010
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The sign in front of the tall display case at the Smithsonian Institution's Museum of Natural History lures visitors to "meet one of your oldest relatives." Inside stands a morganucodon, a mouse-like animal ...
Oct 12, 2012
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Emory University scientists have discovered that simple peptides can organize into bi-layer membranes. The finding suggests a "missing link" between the pre-biotic Earth's chemical inventory and the organizational ...
May 06, 2010
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