The search for life out there begins right here, in some of Earth’s most extreme environments. In the fourth episode of our documentary series Our Alien Earth, NASA astrobiologists explore beneath the volcanoes of Hawai’i to advance our search for life on other worlds. Watch today: https://go.nasa.gov/4oWEg6D | NASA - National Aeronautics and Space Administration

Scientists think we’re closer than ever to finding alien life because we now know thousands of planets exist, we can analyze some atmospheres for chemical clues, and nearby ocean moons may hide habitable seas under ice. Where do you think we’ll find it first?” | DeepSpace Revealed