Live coverage: Soyuz crew lands in Kazakhstan

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.

Commander Mike Hopkins and his three crewmates will board their Crew Dragon “Resilience” capsule Monday for a first-time maneuver to relocate the SpaceX-owned spaceship to a new docking port outside the International Space Station.

Pioneering spacecraft from NASA and the Japanese space agency promise to reveal two unexplored asteroids later this year, officials said Wednesday, beginning surveys that will culminate in daring descents to capture samples for return to Earth, where eager scientists await a hands-on look at the specimens.