|Artist's impression of Gliese 581d, a controversial exoplanet that may exist only 20 light-years from Earth.|
|Angela Lieverse has found one of the oldest human specimens to have cancer.|
ASSOCIATED PRESSA burst of sunshine in the spring could be just the wake-up call for Europe's comet lander.Scientists raised hopes Monday that as the Philae lander nears the sun its solar panel-powered battery will recharge, and the first spacecraft ...
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