News tagged with astronauts

Related topics: international space station · nasa · space · spacewalk · space shuttle

Keeping the rhythm in space

Space is an inhospitable environment for the human body but we adapt remarkably well. Within hours, the brain adjusts to the lack of an up or down, as if floating is all it has ever known. Now researchers are learning how ...

Jun 15, 2017
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Just two weeks in orbit causes changes in eyes

Just 13 days in space may be enough to cause profound changes in eye structure and gene expression, report researchers from Houston Methodist, NASA Johnson Space Center, and two other institutions in the October 2013 issue ...

Oct 24, 2013
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Astronaut

An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. While generally reserved for professional space travelers, the term is sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists.

Until 2003, astronauts were sponsored and trained exclusively by governments, either by the military, or by civilian space agencies. However, with the sub-orbital flight of the privately-funded SpaceShipOne in 2004, a new category of astronaut was created: the commercial astronaut.

This text uses material from Wikipedia, licensed under CC BY-SA

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