Live coverage: SpaceX launches another batch of Starlink satellites

A technical issue with the United Launch Alliance Atlas 5 rocket that will send NASA’s $2.4 billion Perseverance rover toward Mars has pushed the mission’s launch date back to no earlier than July 30, nearly two weeks into a month-long window for the rover to head to the Red Planet, or else face a two-year delay.

A novel communications experiment developed by NASA and the Naval Research Laboratory has arrived at the International Space Station to prove data can be transmitted in space using X-ray signals, a breakthrough that could have uses in deep space exploration and military technology on Earth.

A slide wire escape system has been undergoing tests at launch pad 39A at the Kennedy Space Center in readiness for the first SpaceX Crew Dragon flight to carry astronauts to the International Space Station.