Video: Marc Buie, New Horizons Occultation Team Lead (members only)

A commercial Cygnus resupply ship named for Robert H. Lawrence, Jr. — the first African American selected as an astronaut — is awaiting liftoff Sunday evening from NASA’s Wallops Flight Facility on Virginia’s Eastern Shore to begin a 35-hour trip to the International Space Station.

SpaceX’s Crew Dragon Resilience spacecraft glided to a smooth automated docking Monday night at the International Space Station, delivering four astronauts to join the three-person crew already on-board, boosting the size of the lab’s long-duration crew to seven for the first time.

Five years after missing a shot to enter orbit at Venus, Japan’s Akatsuki spacecraft completed a critical rocket burn late Sunday in a bid to salvage the research mission and become the only space probe operating around Earth’s nearest planetary neighbor.