Live coverage: Soyuz MS-14 docks at space station

The launch of a NASA research satellite built to probe conditions along the boundary between Earth’s atmosphere and space has been tentatively rescheduled for no earlier than Wednesday, pending the conclusion of a review of unexpected data signatures discovered on the first stage of the mission’s air-launched Pegasus XL rocket.

Ground controllers powered up the International Space Station’s robotic arm and repositioned a storage module Wednesday to give visiting cargo delivery vehicles a second parking port at the complex.

A civilian-operated Chinese oceanography satellite deployed in orbit after lifting off on a Long March 2C rocket Wednesday, joining a predecessor launched in 2018 to monitor ocean color and water temperatures.