Live coverage: Delta 2 launches

Redesigned titanium steering fins will fly aboard a Falcon 9 rocket launching Sunday from California, part of upgrades SpaceX says will ease the reuse of future boosters.

A three-man space station crew returned to Earth inside a Russian Soyuz capsule, making a parachute-assisted landing on the remote plains of Kazakhstan after 165 days in orbit.

Check out photos of the encapsulation of the Sentinel-6 Michael Freilich oceanography satellite inside the payload shroud of a SpaceX Falcon 9 rocket before its launch from Vandenberg Air Force Base, California.