Is Mars really red? A physicist explains the planet’s reddish hue and why it looks different to some telescopes For centuries Mars has been called "the Red Planet" and there's a scientific reason why. Astrobitica June 19, 2025 (Last updated: June 19, 2025) 1 minute read For centuries Mars has been called “the Red Planet” and there’s a scientific reason why. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: French government to lead Eutelsat’s $1.56 billion capital boostNext: The Sky This Week from June 20 to 27: The summer solstice