The big mystery of Mars 🔬 The Perseverance rover has found the most intriguing samples yet that could tell us if microscopic life once existed on the Red Planet – but to know for sure, scientists here on Earth must examine those samples in extreme detail. That’s why the rover’s sample-collecting efforts are the first step in the multi-mission Mars Sample Return campaign, which aims to bring those rock cores safely to our planet for further study. #Mars #SolarSystem #PerseveranceMarsRover #exploration #science #research #technology #MarsSampleReturn #NASA #JPL