Atlas 5 TDRS-M launch
An Atlas 5 401 lifts off from Cape Canaveral, Florida, Aug. 18, sending the TDRS-M communications satellite into orbit.

SpaceX has filed a protest over the award of a launch contract to United Launch Alliance for a NASA planetary science mission, claiming it could carry out the mission for significantly less money.

This post is only available to members.

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...