Q&A with Mimi Aung, Mars Helicopter project manager at JPL (members only)

Two U.S.-German satellites launched more than 15 years ago to measure Earth’s changing gravity field will stop collecting data in November, a few months before a pair of replacement craft will launch to resume gravity measurements, NASA officials said.

Boeing and NASA officials said Thursday the first launch of astronauts on Boeing’s delay-prone Starliner crew capsule won’t happen in July after engineers recently discovered a problem with the spacecraft’s parachute system and identified flammable tape around wiring harnesses inside the vehicle.

Fresh off a 64-day test flight to the International Space Station with astronauts Doug Hurley and Bob Behnken, SpaceX’s first human-rated Crew Dragon spaceship is back at Cape Canaveral for inspections, refurbishment and upgrades before flying to the station again with a four-person crew next spring.