Mark and Scott Kelly, twin brothers and former NASA astronauts, spoke to "CBS Mornings" about how the agency is set to lose ...

Growing plants in space is no longer a distant dream. Scientists and astronauts have been experimenting with growing plants in orbit. NASA astronaut S ...

Mark Kelly's four years in the Senate came after a career in the military, at NASA and on front lines of advocacy for gun ...

Investments, book deals and speaking engagements make former astronaut Mark Kelly one of the wealthier members of the US ...