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The Mars 2020 mission involves sending a rover, named Perseverance, to Mars to look for evidence of past life on that planet. Perseverance will collect samples of 3 billion year old rocks that scientists on Earth think might contain signs of ancient life on Mars. Later, NASA will launch a mission to retrieve those…

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Yellowstone National Park is famous for its hot springs, geysers, wildlife, and incredible geology. While the area is popular among visitors every year, scientists are also excited about the hot springs at this site as they create unique habitats for life. Surprisingly, this national park’s hot springs may hold clues…