ScienceMars Rivers That Once Covered The Red Planet Flowed Longer Than Previously Thought Mars is dry and arid now, but it didn't used to be so. For billions of years, much longer than scientists realized, the surface of Mars used to feature raging rivers much bigger than Earth's.by Naia Carlos
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ScienceVice President Mike Pence Wants NASA To Send Astronauts To Moon Within 5 Yearsby Alyssa Navarro
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