Scott Kelly was in Toronto for a sit-down with Canadian astronaut Dr. Dave Williams at the Ontario Science Centre to talk about his time in space, what sparked his dream, and what's next for ...

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

Scott Joseph Kelly is an American engineer, retired astronaut, and naval aviator. A veteran of four space flights, Kelly commanded the International Space Station on Expeditions 26, 44, 45, and 46.

Kelly's return to Earth on March 1, 2016, marked the longest continuous stay in space by an American astronaut. (Russian cosmonaut Valeri Polyakov holds the world record of 438 consecutive days ...

0:40 Astronaut Scott Kelly hopes year-long mission is stepping stone to Mars Astronaut Scott Kelly hopes year-long mission is stepping stone to Mars It’s almost over. Scott Kelly, one-half of ...

WASHINGTON -- After spending nearly a year in space, astronaut Scott Kelly is hanging up his spacesuit. NASA announced Kelly's retirement Friday, less than two weeks after he returned to Earth. He ...

In 2015, Scott Kelly set the American record by staying aboard the International Space Station for 340 days. Kelly describes that flight and others in his new book Endurance: A Year in Space.

Kelly and his ex-astronaut twin Mark, on the ground, are part of an experiment on the long-term effects of space. Russia’s holds the record with 879 days in space.

Tuesday, March 1, is an exciting day for NASA and its star astronaut, Scott Kelly. At around 11:27 p.m. EST on Tuesday night, Kelly is scheduled do something he hasn't done in 340 days: Walk on ...

In his new book, 'Endurance,' American astronaut Scott Kelly describes the physical and emotional challenges of spending almost a year on the International Space Station, thousands of miles from home.

Retired Astronaut Scott Kelly joins Jen Rogers, Myles Udland, and Seana Smith on The Final Round to discuss his viral April Fools' Day prank with Sodastream and the business of space.