Today, NASA's OSIRIS-REx Asteroid Sample Return Mission will attempt to capture at least 2 oz. (60 grams) of material from asteroid Bennu for return to Earth in 2023. It will be the largest sample returned from space since the Apollo program. Live coverage will begin at 5 p.m. EDT: www.nasa.gov/live Here's a close-up look at sample collection site “Nightingale:” | NASA - National Aeronautics and Space Administration