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Extraterrestrial Life323 articles archived since 1845

Opportunity Knocks at Martian Crater

Seven years into its three-month mission, the Mars rover Opportunity reaches Endeavour Crater, a possible geologic treasure trove. John Matson reports

August 16, 2011


Help find the first pristine interstellar dust particles ever brought to Earth

June 7, 2011
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Memorial Day Flash Sale

Memorial Day Flash Sale

How Smartphones Affect Mental Health