"NASA Just Cracked Mars Spider Mystery": Scientists Recreate Half-Mile Formations Using Liquid Nitrogen While Carbon Dioxide Sublimation Carves Alien Channels Forever

Illustration of the geological formations known as "spiders" on the surface of Mars.

“NASA Just Cracked Mars Spider Mystery”: Scientists Recreate Half-Mile Formations Using Liquid Nitrogen While Carbon Dioxide Sublimation Carves Alien Channels Forever