የተጋራ ድምፅ

What if the key to finding alien life… isn’t on another planet? What if the clues are hidden deep beneath our feet… inside volcanic caves on Earth? Beneath the massive volcano Mauna Loa, scientists are exploring underground lava tubes that may reveal how life could survive on worlds like Mars. These extreme environments look so alien that NASA scientists use them as a training ground to search for life beyond Earth.