text:  Hollywood. NASA has awarded SpaceX an $843 million contract to build the vehicle that will bring the International Space Station back down to Earth. The space lab launched in 1998 is expected to retire by 2030. New study from the National Institutes of Health finds taking a multivitamin every day won't necessarily help someone live longer. The study analyzed data from nearly 400,000 healthy adults over 20 years. Dave Packer, ABC News.