Video: Last minute technical problem scrubs Falcon 9 launch

The overnight mission saw the return of Falcon 9 booster, tail number B1073, which experienced an abort as its engine began firing during the June 14 launch attempt of the Starlink 10-2 mission. Liftoff from pad 40 at Cape Canaveral Space Force Station was at 4:55 a.m. EDT (0855 UTC).

Boeing and SpaceX hope to launch commercial crew ferry ships on long-awaited test flights later this year, but both companies face major challenges getting the spacecraft certified before late 2019 when seats aboard Russian Soyuz spacecraft will no longer be easily available for NASA space station crews, officials told lawmakers Wednesday.

A Northrop Grumman Cygnus cargo ship arrived at the International Space Station on Monday, delivering nearly four tons of supplies and experiments to the research lab and its crew, including a $23 million titanium toilet and a high-definition virtual reality camera planned for use on a future spacewalk.