NASA recently found evidence of liquid water on Mars. Where did they find the water?
A. Deep below a south pole ice cap
B. On the surface in Gale Crater
C. In a subsurface cave
D. In the form of rain clouds
A. Deep below a south pole ice cap. In 2018, researchers using ice-penetrating radar on the Mars Express Orbiter found evidence for a massive liquid water lake underneath 1.5 kilometers of ice.