NASA Launches Artemis Mission Around Moon
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A launch countdown includes “L Minus” to indicate how far away liftoff is in hours and minutes, and “T Minus” to show a sequence of events built into the launch countdown.
NASA's Artemis II two-hour launch window opens at 6:24 pm ET Wednesday, April 1, 2026. See best places on Florida's Treasure Coast to watch liftoff.
NASA’s Artemis II SLS (Space Launch System) rocket lifted off from Launch Complex 39B in Florida at 6:35 p.m. EDT, marking the start of a historic journey into deep space.
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The latest: NASA is looking into a battery issue, but Artemis II moon launch countdown still on
The four Artemis II mission astronauts have entered the Orion capsule and are in place for humanity’s first trip to the moon in more than half a century, aiming for an evening liftoff.NASA's launch team loaded more than 700,