NASA’s Kepler spacecraft is back in operation despite a problem with one of its thrusters and low fuel levels that may soon bring the mission to an end.
Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The... More by Jeff Foust
