NASA has postponed the launch of its Nuclear Spectroscopic Telescope Array (NuSTAR) mission for an unspecified number of weeks because of suspected problems with its Pegasus launch vehicle’s flight software, the agency said March 16.

This post is only available to members.

Dan Leone is the NASA reporter for SpaceNews, where he also covers other civilian-run U.S. government space programs and a growing number of entrepreneurial space companies. He joined SpaceNews in 2011.Dan earned a bachelor's degree in public communications...