After more than two years in orbit around asteroid Bennu, NASA’s OSIRIS-REx spacecraft is ready to come home. It’s bringing with it a pristine sample of space rocks that geologists here on Earth are eager to study up close. The sample will arrive in September 2023, but we won’t have to wait nearly that long … Continue reading "OSIRIS-REx Did One Last Close Flyby of Asteroid Bennu. It’s Almost Time to Come Home"