Mike Massimino is a retired NASA astronaut and veteran of two Space Shuttle missions.

Long-duration spaceflight can chip away at an astronaut's health, prompting scientists to find new ways to make living in space easier on the body. The journey to outer space is incredibly dangerous, ...

After making history on their journey around the moon, NASA’s Reid Wiseman, Victor Glover, Christina Koch and Canadian Space ...

In this photo provided by NASA, the Artemis II astronauts Victor Glover and Christina Koch are photographed on the flight deck of USS John P. Murtha after they were extracted from their Orion ...