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(CNN) — A spacecraft left behind by US astronauts on the lunar surface could be causing small tremors known as moonquakes, according to a new study. Researchers revealed the previously unknown form of ...

(CNN) — A spacecraft left behind by US astronauts on the lunar surface could be causing small tremors known as moonquakes, according to a new study. Researchers revealed the previously unknown form of ...

A spacecraft left behind by US astronauts on the lunar surface could be causing small tremors known as moonquakes, according to a new study. Researchers revealed the previously unknown form of seismic ...

Data showed a mysterious quake happening every lunar morning, and scientists weren't sure why. A new study has found morning tremors are coming from the Apollo 17 lunar lander base. The lander base ...