Quiz: History of NASA’s Mars Exploration Program

Across all the space agencies on Earth, there have been 49 missions to explore Mars, the Red Planet. NASA’s Mars Exploration Program has sent a series of robotic orbiters and landers, 31 in total, to learn all it can about the planet. Hopefully, scientists can learn more about Earth’s future by understanding Mars’s past and what potential lies ahead for human space exploration. Let’s explore previous missions and the spacecraft sent to explore Mars.