Stephen Smith is a managing editor for CBSNews.com based in New York. A Washington, D.C. native, Steve was previously an editorial producer for the Washington Post, and has also worked in Los Angeles, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Apollo 17 astronauts were the last humans to set foot on the moon, and apparently the three crew members saw some very ...

Five pocket mice traveled around the Moon on Apollo 17 in 1972. These animals carried radiation detectors implanted beneath ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientist-astronaut Harrison H. Schmitt is photographed standing next to a huge, split lunar boulder during the third Apollo 17 ...

The Apollo 17 astronauts were the last humans to set foot on the moon, and apparently the three crew members saw some very interesting sights during the mission. While scouring the lunar surface for ...

When Apollo 17 astronauts collected a small rock from the moon more than 50 years ago, they had no way of knowing it would still be challenging scientists' understanding of lunar history today. The ...

Schmitt is seen collecting Moon samples by a large lunar boulder, with part of the Lunar Rover in the foreground. Apollo 17, the sixth and last manned mission to the Moon, with astronauts Eugene ...

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Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. The moon is our planet’s constant celestial companion, only ...