NASA's Super-Sized Space Launch System Might Be Doomed

NASA's Super-Sized Space Launch System Might Be Doomed

But one thing was certain: on Orion’s first foray beyond Earth, a crew-less capsule would complete a six-day circuit of the moon; that’s the mission Bridenstine now says could launch atop a commercial rocket.

Watch Live: NASA OSIRIS-REx Arrives at Asteroid Bennu

Watch Live: NASA OSIRIS-REx Arrives at Asteroid Bennu

Watch Live: NASA OSIRIS-REx Arrives at Asteroid BennuIf NASA is successful, Bennu will become the smallest object the agency has ever orbited.NASA Goddard Space Flight CenterTwo years and two months after it launched from Cape Canaveral Air Force Station, NASA's $800-million mission to the asteroid belt between Mars and Jupiter will reach a pivotal moment Monday, when the agency's OSIRIS-REx spacecraft is slated to rendezvous with its scientific target: a dark, round, carbon-rich asteroid named Bennu.At fewer than 500 meters in diameter, Bennu is a small solar-system body with big scientific potential: Astronomers suspect the asteroid's rocky composition has remained more or less unchanged since it formed some 4.5 billion years ago.