1st lunar lava tube discovered by NASA moon orbiter

Artist’s concept of the lunar lava tube in Mare Tranquillitatis. This image depicts the Lunar Reconnaissance Orbiter (LRO) and Earth in space, from the view of the cave opening. Image via University of Trento/ A. Romeo/ NASA/ JPL-Caltech (Brian Kumanchik/ Christian Lopez)/ Bill Anders.

• An international team of researchers said it has found the first confirmed lava tube on the moon. The lava tube is below the surface in Mare Tranquillitatis, the location of the Apollo 11 landing in 1969.
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