Watch the Falcon Heavy roar to life

Four satellites set to join O3b’s expanding broadband network successfully launched Friday on top of a Russian-built Soyuz booster from French Guiana, joining 12 other craft linking developing nations, far-flung islands, cruise ships and other hard-to-reach locales with the Internet.

Closing out a 27-hour pursuit after a predawn launch from Florida’s Space Coast, a SpaceX Crew Dragon capsule glided to an automated docking early Sunday at the International Space Station, accomplishing one of the ship’s key test objectives before astronauts take a ride later this year.

Four days before its scheduled blastoff on a resupply run to the International Space Station, a Falcon 9 rocket ran through a countdown rehearsal and engine test Sunday at NASA’s Kennedy Space Center in Florida.