The 4-person crew had been delayed 2 months, staying at the International Space Station for 8 months ... A NASA astronaut remained hospitalized Friday evening following the delayed return of a four-person crew from the International Space Station earlier in the morning. The crew consisting of NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, and Roscosmos cosmonaut Alexander Grebenkin splashed down off the coast of Pensacola, Florida, around 3:30 a.m. ET. Friday. All four were flown together to Ascension Sacred Heart Pensacola in Florida for medical evaluation following splashdown, and one astronaut still remains, NASA said in a Friday...