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

Spaceflight Now members can watch a live view of Cape Canaveral’s Complex 40 launch pad, where a Falcon 9 rocket is set to undergo a static fire test Thursday in advance of a commercial satellite launch May 31.

Expertise, input and advice from seasoned NASA engineers will improve SpaceX’s chances of nailing the first commercial landing on Mars as soon as late 2018, a senior space agency official said Wednesday, but Elon Musk’s space transport company will likely seek more independence from U.S. government support on later expeditions to the red planet.

A Russian cosmonaut, his Canadian co-pilot and a NASA flight engineer packed their Soyuz spacecraft for departure from the International Space Station Monday night, targeting a landing on the steppe of Kazakhstan to close out an action-packed 204-day mission.