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

The mission, dubbed NROL-77, was the final time SpaceX uses Landing Zone 2 to recover a first stage Falcon booster. Liftoff from pad 40 at Cape Canaveral Space Force Station happened at 2:16 p.m. EST (1916 UTC).

The launch of South Korea’s first moon orbiter has been delayed from December 2020 until July 2022 after the mission encountered technical issues during development, officials recently announced.

Blaming a slew of technical snags and “avoidable errors,” NASA officials said Tuesday that the launch of the James Webb Space Telescope, already years behind schedule, will be delayed to 2020, potentially pushing the mission’s development cost above an $8 billion cap mandated by Congress.