News tagged with astrobiology

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In search of virus fossils

Here's a theory for a comedian to consider: dinosaurs done-in by avian flu. Silly as that may be, we imagine that viruses have been infecting organisms since life first appeared on Earth, but this is mostly ...

dateOct 19, 2011 in Cell & Microbiology
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Detecting Our Martian Cousins

The iguanas of the Galapagos Islands have evolved many unique characteristics due to their isolation from mainland iguanas. Because they can't swim long distances, biologists believe that the first Galapagos ...

dateFeb 15, 2010 in Space Exploration
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Fingerprints of life on Mars

NASA's Astrobiology Institute (NAI) announced that the SETI Institute has been selected as a new member of the NAI for a 5-year research program, "Changing Planetary Environments and the Fingerprints of Life." ...

dateOct 08, 2014 in Space Exploration
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Study shows size matters in prehistoric seas

Why did life forms first begin to get larger and what advantage did this increase in size provide? UCLA biologists working with an international team of scientists examined the earliest communities of large ...

dateJan 23, 2014 in Evolution
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Curiosity in it for the long haul

In recent days, Curiosity has accomplished a number of firsts, including the first use of its laser to zap a nearby rock and its first short drive. Many more such firsts lie ahead. But as the rover prepares ...

dateAug 28, 2012 in Space Exploration
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