Mystery of 2 million black streaks on Mars may finally have been solved

Mars is a stripy planet with millions of black streaks that have puzzled scientists for decades — but now researchers may finally have found a proper explanation. So, what are they exactly? They were first found in the 1970s and researchers thought they were the evidence of landslides caused by melting ice. (Picture: ESA) While the experts still think the streaks are the result of landslides, they believe these were ‘dry processes’ that do not involve any water. This narrowed