washington — A NASA astronaut who was hospitalized upon return from the International Space Station for an unspecified medical condition was released Saturday in “good health,” the U.S. space agency said. The four-member Crew-8 mission splashed down off the coast of Florida early Friday after nearly eight months aboard the orbital laboratory. NASA did not reveal which of the astronauts was hospitalized nor the reason, citing medical privacy. However, it said in a blog post that the crew member has returned to the Johnson Space Center in Houston “in good health and will resume normal post-flight reconditioning with other crew