Watch the Falcon 9 launch from pad 39A

Another batch of 52 Starlink satellites launched late Tuesday from Vandenberg Space Force Base in California, on the way to join SpaceX’s fleet of more than 4,000 spacecraft beaming broadband signals around the world.

Two astronauts floated outside the International Space Station early Tuesday and replaced one of the grapple fixtures on the end of the lab’s robot arm, the first of two excursions over the next week to complete a complex overhaul that began with a pair of spacewalks last October.

A commercial lunar lander built by Astrobotic will launch from the Kennedy Space Center on a SpaceX Falcon Heavy rocket in late 2023 to deliver a water-hunting NASA rover to the moon’s south pole, officials announced Tuesday.