Sotheby's employees adjust the painting Portrait by Tamara de Lempicka during a preview of major highlights of Sotheby's New ...

Prolonged exposure to microgravity leads to various physiological changes, including muscle atrophy and a decrease in bone ...

Butch Wilmore, a fellow astronaut, stuck in space with Williams, revealed how gravity will be the biggest challenge when the ...

The return of astronauts Butch Wilmore and Suni Williams, who went to the International Space Station on Boeing's faulty ...