 *Artist’s concept of the Lunar Reconnaissance Orbiter (LRO) exploring the lunar lava tube in Mare Tranquillitatis. Credit:NASA/JPL-Caltech*](https://www.universetoday.com/article_images/Screenshot_2026-10-07_at_16-08-10_The_surface_of_the_moon_is_hostile._A_newly_found_cave_could_be_a_lifesaver._National_Geographic_20261008_001029.png)
NASA has selected a Planetary Science Institute-led proposal to investigate whether a potentially large underground cave extends beyond the opening of a lunar pit.
 *Artist’s concept of the Lunar Reconnaissance Orbiter (LRO) exploring the lunar lava tube in Mare Tranquillitatis. Credit:NASA/JPL-Caltech*](https://www.universetoday.com/article_images/Screenshot_2026-10-07_at_16-08-10_The_surface_of_the_moon_is_hostile._A_newly_found_cave_could_be_a_lifesaver._National_Geographic_20261008_001029.png)
NASA has selected a Planetary Science Institute-led proposal to investigate whether a potentially large underground cave extends beyond the opening of a lunar pit.