Watch live as Elon Musk unveils his vision for missions to Mars

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.

JPL chief engineer Rob Manning, a veteran of Mars mission teams dating back to Mars Pathfinder more than two decades ago, describes how the InSight spacecraft will enter the Martian atmosphere and touch down on the red planet.

This zoomed-in shot shows SpaceX’s Falcon 9 rocket firing off launch pad 39A Thursday with the U.S. military’s X-37B spaceplane.