Expedition 74 crew members aboard the International Space Station are 3D-printing viable human cartilage tissues inside the ...

As humans begin to colonize space, it's inevitable that some will suffer a cardiac arrest. Space CPR conducted in weightlessness will be crucial to save their lives -- and researchers say they've now ...

Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in ...

Space missions pose unique challenges to the human body: microgravity and increased radiation exposure alter fundamental biological processes, particularly in immune, nerve, and muscle cells. Against ...

Austrian cosmonaut Franz Fibek, who visited the Soviet Mir space station in 1991 with cosmonauts Alexander Volkov and Toktar ...

Permanent settlements on the Moon or Mars raise a key question: Can humans reproduce in space? Chinese researchers are now testing this with embryo-like stem cell structures.