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Is Mars really red? A physicist explains the truth.Mars isn't a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.
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NASA spots Martian volcano twice the height of Mount Everest bursting through the morning clouds: Space photo of the weekA new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick blanket of clouds before dawn.
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Why does NASA's Perseverance rover keep taking pictures of this maze on Mars?NASA's Perseverance rover regularly images a Sherlock Holmes–themed maze to calibrate its chemical-hunting SHERLOC instrument.
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Turning the Red Planet green? It's time to take terraforming Mars seriously, scientists sayA new study debates the complex ethical questions that must be considered if we're to terraform Mars and lays the blueprint for a potential path forward.
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Long, dark 'streaks' spotted on Mars aren't what scientists thoughtA set of dark streaks that regularly wind across the Martian surface are more likely to be formed by dust and wind than by water, a new artificial intelligence analysis has revealed.
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Solar 'cannonballs' may have stripped Mars of its water, study revealsAfter nearly a decade in orbit, NASA's MAVEN spacecraft has, for the first time, directly observed the process that scientists had long suspected was responsible for stripping Mars of its atmosphere.
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'The Martian' predicts human colonies on Mars by 2035. How close are we?Opinion NASA hasn't landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet's surface than they did when the movie was released.
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Perseverance rover rolls onto 'Crocodile' plateau on Mars to hunt for super-old rocksNASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.
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Lights on Mars! NASA rover photographs visible auroras on Red Planet for the first timeNASA's Perseverance rover recently captured a photo of green auroras shining in the Martian sky for the first time. The alien light show, previously assumed to be impossible, could be visible to future astronauts.
