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

The next quartet bound for the International Space Station will wait a bit longer before they can punch their ticket to space after Falcon Heavy delays pushed back the launch of the next Crew Dragon mission, NASA said Tuesday.

A three-man crew that departed the International Space Station on Oct. 4 flew their Soyuz spaceship into position to take spectacular photos of the orbiting research complex as officials prepare to celebrate the 20th anniversary of the first element’s launch.

A European supply freighter is set to undock from the International Space Station on Saturday, heading for a destructive dive into Earth’s atmosphere about 30 hours later after a power system failure forced the cancellation of an experiment to observe the dynamics of the re-entry of a large spacecraft.