Optogenetics | Nature Biotechnology

art002e013365 (April 7, 2026) – The Artemis II crew – (clockwise from left) Mission Specialist Christina Koch, Mission Specialist Jeremy Hansen, Commander Reid Wiseman, and Pilot Victor Glover – pause for a group photo with their zero gravity indicator “Rise,” inside the Orion spacecraft on their way home. Following a swing around the far side of the Moon on April 6, 2026, the crew exited the lunar sphere of influence (the point at which the Moon’s gravity has a stronger pull on Orion than the Earth’s) on April 7, and are headed back to Earth for a splashdown in the Pacific Ocean on April 10.