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UPDATE for 9 p.m. ET: NASA's Orion spacecraft has successfully returned to Earth to return its Artemis 2 astronauts to Earth. See video and photos of the Artemis 2 splashdown in our wrap story. See ...

A study published in JAMA examined more than 2,500 scientific papers released from January 2010 through September 2025, including randomized clinical trials, meta-analyses and clinical guidelines.

NASA has temporarily lost contact with the four astronauts aboard the Artemis II mission as the Orion spacecraft passes behind the moon, a predicted communications blackout that marks a critical phase ...

Watch live: Artemis II crew heads back to Earth on final day of mission After being in microgravity during their 10-day mission, the crew will undergo medical evaluations, complete an “obstacle course ...

The Artemis 2 capule has emerged from behind the Moon as planned with radio contact was restored. That's concluded a 40-minute blackout that had left Mission Control in suspenseful silence. Mission ...