Astronauts have been able to cast ballots from above since the Texas legislature gave its blessing in 1997. "It's critical to participate in our democracy," NASA astronaut Kate Rubins said.
An experiment involving some "mighty mice" on the International Space Station could someday help astronauts maintain muscle and bone strength on interplanetary journeys.
NASA and SpaceX are welcoming home two astronauts who splashed down safely in the Gulf of Mexico after several months on the International Space Station.
The two NASA astronauts who flew on the SpaceX craft to the International Space Station in May are scheduled to return to Earth on Sunday. But there's a hurricane forecast for the splashdown vicinity.
On this edition of “Two Way Street,” Bill talks to astronaut Scott Kelly , who holds the American record for most consecutive days in space. His 340...
