Atmospheric Sciences

Atmospheric sciences are essential to understanding Mars — a planet defined, in many ways, by the atmosphere it lost. Studying the thin, carbon-dioxide-rich Martian air is critical both to explaining the planet's history and to keeping future explorers alive. Specialists in this field investigate weather, climate, and the physics and chemistry of planetary atmospheres, knowledge that applies directly to the Red Planet.

Mars offers a compelling natural laboratory. Its atmosphere is barely one percent as dense as Earth's, yet it still drives dramatic weather: planet-encircling dust storms, towering dust devils, seasonal frost, and wild temperature swings between day and night. Understanding these dynamics matters for practical reasons — dust storms can cripple solar power and endanger equipment, and atmospheric density governs how spacecraft descend and land. Atmospheric scientists also study how Mars lost most of its air to the solar wind after its magnetic field faded, a process that turned a once-wetter world into a frozen desert.

Programs in atmospheric sciences cover meteorology, climatology, atmospheric physics and chemistry, and remote sensing. For Mars, this expertise informs everything from mission planning and landing-site selection to the design of habitats that must withstand the Martian environment, connecting directly to the broader science of the planet.