NASA is preparing to launch Artemis II, a landmark mission that will send four astronauts around the moon for the first time in more than half a century—marking a major step in the agency’s long‑term ...

The four Artemis II astronauts go into space are facing a higher exposure to radiation from the cosmos and sun.

The four-member crew successfully completed a "translunar injection burn" on Thursday, sending them out of Earth's orbit and toward the moon.