ALT NASA’s Space Launch System (SLS) rocket and Orion spacecraft, secured to the mobile launcher, are seen at Launch Pad 39B, Saturday, Jan. 17, 2026, at NASA’s Kennedy Space Center in Florida. NASA’s Artemis II test flight will take Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA, and Mission Specialist Jeremy Hansen from the CSA (Canadian Space Agency), around the Moon and back to Earth no later than April 2026. NASA/Joel Kowsky

ALT A full Moon is seen shining over NASA\u2019s SLS (Space Launch System) and Orion spacecraft, atop the mobile launcher in the early hours of Feb. 1, 2026. The rocket is currently at Launch Pad 39B at NASA\u2019s Kennedy Space Center in Florida, as teams are preparing for a wet dress rehearsal to practice timelines and procedures for the launch of Artemis II. The full Moon glows a pale orange color behind the white Orion spacecraft. The sky is black in the background. Credit: NASA/Brandon Hancock

ALT A closeup of a small section of the Helix Nebula, showing thousands of orange and gold comet-like pillars streaming upward from the bottom in the shape of a wide arc. Several bright blue stars are scattered throughout. Credit: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI)