From causing muscle loss to raising the risk of blood clots, long-haul space missions can have a profound impact on the human ...

Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of ...

Researchers have found that human stem cells are constantly under stress in the microgravity of space, activating the "dark ...

The life of an astronaut may look glamorous from afar, but those who have really been to space know that many aspects of space travel are flat-out gross. Astronauts aren't able to shower on their ...

For Hannaford, the crossover between space and extreme medicine is natural. “It’s all austere environments,” he says. “The ...

Billionaires make it seem that we have all the tech we need to settle on the moon and Mars. But the hard part of living in space is adapting the human body to extraterrestrial conditions. Business ...

When humans are in a weightless environment for an extended period, their muscles atrophy due to lack of use. This phenomenon ...

Russell “Rusty” Schweickart was among the first astronauts in space and the first to pilot the lunar module during the Apollo 9 mission in March 1969 that laid the foundation for humans to walk on the ...

The microgravity conditions of the International Space Station (ISS) mean that its human inhabitants are barred from eating crumbly foods as the particles could float away and clog up air vents and ...

NASA astronaut Sunita Williams opens up to PEOPLE about spending 9 months in space, what she missed the most and her tentative plans to retire.

NASA will announce its new astronaut class next month, and you'll be able to watch the unveiling live. The 2025 class of NASA ...