Using data from NASA's MESSENGER spacecraft ... and the premature end of Mercury's volcanic era. Also among these puzzles are ...

Armstrong's note and the mission patch proposal ... for Apollo 11 shows a circular patch with the astronaut symbol at its center flagged by the Mercury and Gemini program logos.

The use of AI to create a crew patch — the 170th such insignia to represent a NASA astronaut mission since 1965 — may be more of a "small step" than a "giant leap," but it was distinctive ...

Mercury ' s inner core is solid and about the same size as Earth ' s inner core, a new study using observations from NASA's MESSENGER mission has indicated. Mercury is the smallest planet in our ...