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Over the years, several robotic missions—including NASA's rovers Curiosity and Opportunity—have paved the way for understanding Mars' potential for sustaining life in the past and its environment. These missions unveiled evidence of ancient liquid water and other conditions that might have once supported life, igniting interest in the Red Planet as a viable candidate for human colonization.
Organizations like the Mars Society and Mars One have emerged, driven by the public's fascination with Martian exploration and colonization. NASA's Perseverance rover aims to find evidence of life on Mars, indicating a renewed interest in not just the planet's past but its current potential.