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NASA

Return Window

As NASA’s Artemis II mission prepares for its high-speed re-entry and scheduled splashdown in the Pacific off San Diego, it marks more than the end of a test flight.

Return Trajectory

The launch of Artemis II is being celebrated as a technological milestone, but its deeper significance lies elsewhere.

Organic salts detected on Mars: NASA

Organic compounds and salts on Mars could have formed by geologic processes or be remnants of ancient microbial life, NASA said in a statement.