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

Astronaut Scott Kelly is due to touch down on Earth Tuesday night after spending 340 days in space. His journey began last March, when he and Russian cosmonaut Mikhail Kornienko blasted off to the ...

Scott Kelly, a retired astronaut who set the record for the longest single space mission by an American astronaut. Author of “ Endurance: A Year In Space, A Lifetime Of Discovery ” and “ My ...

Kelly’s 340-day mission eclipsed the previous U.S. record-long spaceflight of 215 days, set by former astronaut Michael Lopez-Alegria aboard the space station in 2007.

Mark and Scott Kelly, brothers was are both veterans of four spaceflights, join CBS Mornings to discuss today's SpaceX ...

— Astronaut Scott Kelly on advising Apple's new space thriller 'Constellation' One of its first activities in April included the distribution of mission patches to help kids feel confident when ...

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

Scott Kelly, who gained fame as a test pilot - first of jet fighters and then of the Space Shuttle - teamed up with two dozen other astronauts to send a missive to the leaders of the Senate space ...

Scott Kelly is a former NASA astronaut and retired United States Navy Captain, U.S. spaceflight record holder and an experienced test pilot having logged more than 15,000 hours of flight time in ...

NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko will spend a year aboard the International Space Station beginning in 2015. Both countries' space agencies announced the names of ...

-- Astronaut Scott Kelly retired today after 20 years with NASA and spending a year in space. During his career, Kelly completed four separate missions in 1999, 2007, 2010 and 2015, accruing 520 ...