Q&A with Keith Gendreau, principal investigator of the first X-ray space communications experiment (members only)

Follow the key events of the Falcon 9 rocket’s ascent to orbit with the fifth set of 10 next-generation satellites for Iridium’s voice and data relay fleet.

NASA’s Office of Inspector General said that while NASA is working to “mitigate and prevent hazards” associated with lunar landers being built by SpaceX and Blue Origin, “there are currently gaps in the agency’s approach, including in its testing posture and crew survival analyses,” including what might happen after a catastrophic but non-fatal event.

Riding the rails to the launch pad Wednesday morning, the Atlas 5 rocket was rolled out to Cape Canaveral’s Complex 41 for liftoff Thursday night to deploy four NASA satellites that will probe Earth’s magnetosphere for a high-priority research project.