Photos: Atlas 5 rocket aims for International Space Station

An impromptu repair job Thursday appears to have stopped a leak in a Russian Soyuz spacecraft docked to the International Space Station, and the crew was back on its normal schedule Friday carrying out research and making preparations for the arrival of a Japanese cargo ship next month.

A Spanish-owned, U.S.-built commercial communications satellite climbed into orbit early Tuesday from Cape Canaveral on the 50th flight of a SpaceX Falcon 9 rocket, launching on a 15-year mission to relay video, data and broadband signals across the Americas, Europe and North Africa.

SpaceX’s upgraded Dragon capsules will not return astronauts to Earth for powered landings as originally envisioned, company boss Elon Musk said Wednesday, a design change that raises questions about the space transport firm’s plans to send commercial landers to the surface of Mars.