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

The launch of SpaceX’s next 60 Starlink satellites will wait for better weather and sea conditions after currents were too strong for the company’s rocket landing platform to hold position in the Atlantic Ocean for a launch attempt Thursday.

The sixth commercial cargo delivery by Orbital ATK’s Cygnus spacecraft, and the first using an Antares rocket since a launch failure in 2014, will carry more than 5,000 pounds of equipment to the International Space Station.

Ground controllers could try to salvage a Chinese television broadcasting satellite deployed in a lower-than-planned orbit Sunday by a Long March 3B rocket.