(Science Photo Library/Canva) Spaceflight is rough on the mammalian body. Fluids redistribute in surprising ways, heavy-duty ...

Floating about in microgravity might seem like a blissful reprieve for the human body's weight-bearing skeleton, but when astronauts spend months in space, their bone density takes a serious hit that ...

Four mice went to space as astronauts. One came back and became a mother. And that simple fact might matter more than you'd think for humanity's future beyond Earth. Subscribe to our newsletter for ...

Space travel is not as easy as it looks, though. The human body is not designed to function properly outside the gravitational pull of Earth. Muscles atrophy, bones become less dense, and walking ...

Stem cells from mice cryopreserved on the International Space Station for six months have produced healthy offspring. Credit: KyotoU / Shinohara lab Features of spaceflight such as gravitational ...

Bulked-up, mutant “mighty mice” held onto their muscle during a monthlong stay at the International Space Station, returning to Earth with ripped bodybuilder physiques, scientists reported Monday. The ...

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Four mice went to space as astronauts. One came back and became a mother. And that simple fact might matter more than you'd think for humanity's future beyond Earth. On 31 October, China launched four ...