NASA on Friday confirmed that it has moved up the return of stranded astronauts Butch Wilmore and Sunita Williams to ...

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 ...

This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.