The fact Frontier on Instagram: "🚨 NASA ROVER CAPTURES A MYSTERIOUS CAVE-LIKE FORMATION ON MARS 🟥🛰️ NASA’s Curiosity rover has captured a stunning rock formation on Mars that looks like a dark cave entrance carved into the planet’s surface 😮🪨 Photographed near the East Cliffs region, this structure has sparked curiosity about Mars’ ancient geology and erosion processes 🔍🌍 Scientists say such formations are likely created by wind and time, but they also raise exciting questions about what