News tagged with astronauts

Image: Alexander Gerst conducts spacewalk

ESA astronaut Alexander Gerst spent six hours and 13 minutes outside the International Space Station with NASA astronaut Reid Wiseman on Tuesday, 7 October 2014. This was the first spacewalk for both astronauts ...

dateOct 08, 2014 in Space Exploration
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Light of life

A fluorescent microscopic view of cells from a type of bone cancer, being studied for a future trip to deep space – aiming to sharpen our understanding of the hazardous radiation prevailing out there.

dateAug 27, 2014 in Space Exploration
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The heart of an astronaut, five years on

The heart of an astronaut is a much-studied thing. Scientists have analyzed its blood flow, rhythms, atrophy and, through journal studies, even matters of the heart. But for the first time, researchers are ...

dateJul 22, 2014 in Space Exploration
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