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

NASA and SpaceX have delayed the launch of the Crew Dragon “Resilience” spacecraft from the Kennedy Space Center until 7:27 p.m. EST Sunday (0027 GMT Monday) to wait for improved downrange weather and sea conditions, and better onshore winds at the launch site.

Soprano and would-be space tourist Sarah Brightman, who was in training for a flight to the International Space Station this fall aboard a Russian Soyuz ferry craft, will not be chasing her dream aloft after all.

Critical tests are on tap this weekend to confirm Boeing’s Starliner capsule can safety carry its two-person crew back to Earth despite unexpected helium leaks and degraded maneuvering thrusters, officials said Thursday.