Astronauts have been able to track their muscle health in spaceflight for the first time using a handheld device, revealing which muscles are most at risk of weakening in low gravity conditions.
Mar 20, 2024
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Traveling by plane isn't always easy on the body. And neither is space travel. Astronauts often experience atrophy, the loss of bone and muscle, during their months living in space's zero gravity. People on Earth also tend ...
Jan 22, 2024
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Extensive exercise regimens are keeping astronauts healthy and protecting their hearts during extended space missions, new research finds.
Oct 2, 2023
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Evidence is mounting that astronauts are more susceptible to infections while in space. For example, astronauts on board the International Space Station (ISS) commonly suffer from skin rashes, as well as respiratory and non-respiratory ...
Jun 22, 2023
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Astronauts may go to space for weeks or months, and their bones can lose years in that environment.
Aug 4, 2022
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Astronauts lose decades' worth of bone mass in space that many do not recover even after a year back on Earth, researchers said Thursday, warning that it could be a "big concern" for future missions to Mars.
Jun 30, 2022
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Michael Strahan, former football star and host of "Good Morning America," will be taking off with a crew of five other passengers on Dec. 9, amidst a global pandemic and rising cases of the new omicron variant.
Nov 30, 2021
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Being forced into isolation and confinement creates a number of potentially stressful demands. However, we might be able to learn a thing or two about coping with these demands, from people who choose a life in such settings.
Jan 15, 2021
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During spaceflight, astronauts experience similar physical stress as cancer patients undergoing treatments such as chemotherapy, immunotherapy, and targeted therapy. In a commentary published November 14 in the journal Cell, ...
Nov 14, 2019
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A new study demonstrates for the first time that changes in cognitive performance correlate with changes in brain structure in NASA astronauts following spaceflight. How the human brain adapts in space or in a microgravity ...
Oct 28, 2019
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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.
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