These Spiders from Mars are in Fine Araneiform

Explaining the Spiders from Mars — one of the strangest oddities of the Red Planet

Spiders from Mars seen in 2011 by the HiRISE instrument onboard the Mars Reconnaissance Orbiter (MRO). Image credit: NASA/JPL/UArizona

Mars is a world alive with mysteries and questions. One of the oddest is the so-called spiders from Mars, one of the strangest features on the surface of this tawny world.

Known as araneiforms, these spiders from Mars are likely the result of dry ice — frozen carbon dioxide —…