Live coverage: SpaceX launches another batch of Starlink satellites

The U.S. Defense Department’s internal watchdog has opened a probe into whether the Pentagon’s contracts with United Launch Alliance were properly awarded after a former ULA executive implied the government rigged a recent procurement in favor of the company.

Watch the Jason-3 Mission Science Briefing held at Vandenberg Air Force Base, California, on January 15, 2016. (Membership required.)

NASA’s Perseverance rover has been closed up inside its protective aeroshell, the structure that will protect the spacecraft when it plunges into the Martian atmosphere, in preparation for launch no earlier than July 20 from Cape Canaveral.