NASA prepares for historic asteroid sample delivery on Sept 24
NASA's OSIRIS-REx spacecraft is cruising back to Earth with a sample it collected from the rocky surface of asteroid Bennu. When its sample capsule parachutes down into the Utah desert on Sept. 24, OSIRIS-REx will become the United States' first-ever mission to return an asteroid sample to Earth. After seven years in space, including a nail-biting touchdown on Bennu to gather dust and rock