Orbital Sciences is poised to launch its Antares rocket and Cygnus cargo tug on a demonstration mission to the international space station. Liftoff is scheduled for 10:58 a.m. EDT.


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Brian Berger is editor in chief of SpaceNews.com and the SpaceNews magazine. He joined SpaceNews.com in 1998, spending his first decade with the publication covering NASA. He was named senior staff writer in 2004, a position he held until being named...