Video: Atlas/Cygnus pre-launch news conference

A Japanese HTV cargo freighter is ready for launch Wednesday with the last set of six lithium-ion batteries to upgrade the International Space Station’s solar power truss.

The 100th flight of America’s Evolved Expendable Launch Vehicle program — a United Launch Alliance Atlas 5 rocket — departed Cape Canaveral on Saturday evening carrying the most advanced U.S. weather satellite ever made.

Crew members on the International Space Station over the weekend continued trying to pinpoint the location of a small air leak in the research outpost’s Russian Zvezda service module, one of the oldest sections of the orbiting laboratory.