Mars Facts

Out-of-this-world facts about Mars — the red planet humanity most wants to visit next.

Mars is a surprisingly rich topic with facts that challenge common assumptions. The Mars rovers are equipped with AI to make autonomous decisions. Mars has blue sunsets. Mars appears red due to iron oxide (rust) on its surface. Mars has seasons similar to Earth due to its tilted axis. On SmartAss Facts, every fact goes through a verification process and is labeled ✓ TRUE or ✗ FAKE, so you never have to wonder what's real. Browse the collection below — you might be amazed by what's verified science and what turns out to be a long-running myth about mars that people still believe.