Our Alien Earth, a NASA Original Series - NASA Science
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They've endured the vacuum of space and all five of Earth's mass extinction events, but did you know that tardigrades could be incredibly useful for medical research? Here are five facts about these microscopic extremophiles. | National Geographic Science
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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
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