Why Is the ISS Being Retired? Since the first segment of the ISS—Zarya—was launched into orbit by a Proton rocket in 1998, it ...

referring to flexing of metal and similar components that heat and cool as the ISS orbits in and out of sunlight. "NASA believes the PrK cracks are likely multi-causal — including pressure and ...

Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first spacewalk since arriving.