Astronauts on the International Space Station have a number of exercise options, including a mechanical bicycle bolted to the floor, a weightlifting machine strapped to the wall, and a strap-down ...

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Does Earth's magnetic field do all that much against cosmic rays? Those are quite high energy, hundreds of MeV. My understanding is most of the effect is against solar radiation, which is much lower ...

Space travel has always hit a wall with slow speeds and massive fuel needs. Gravitic propulsion systems offer a game-changing solution by using gravity itself as a driving force. This blog breaks down ...

One way to longer life may be higher gravity—at least for rats. That is the “very tentative suggestion” of experiments performed by NASA Physiologist Jiro Oyama, who has been raising mice and rats ...

Space travel is heating up, both by NASA and private enterprises, with bold adventurers and scientists looking to eventually send humans to Mars. One of the challenges of such a multiyear mission in ...

Random stroke of curiosity regarding human space-flight on long-duration transfer orbits (e.g. Earth to Mars): What issues of health or habitation would be mitigated by maintaining some minimal amount ...