Early prototypes of the SpaceX Starship super-capsule that Italy is chartering to speed its spaceflight and biotech experiments to Mars (Marie D. De Jesús/Houston Chronicle via Getty Images) With its ...

Researchers from University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), which ...

Human spaceflight has entered a phase where one company effectively controls the only operational ride to orbit for professional crews and most private passengers. SpaceX has turned what was once a ...