December 31, 2015|
A year’s worth of noteworthy quotes
April 21, 2014|
Researchers pinpoint a distant planet that may be the right size and temperature to support liquid water and life.
March 1, 2014|
Geobiologist Roger Summons analyzes organic material in rocks found deep inside Earth, looking for evidence of how life originated and evolved on our planet—and possibly on Mars.
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