One of the oldest Mars rocks ever found on Earth has been identified. The meteorite, found in the Sahara Desert in Africa, has revealed new facts about the early history of the Red Planet, according to scientific findings. It also presents evidence that water affected the surface of Mars at least 4.1 billion years ago. According to scientists, the chemical composition of the pinkish meteorite is different and unique from other samples from Mars studied previously. Its study has provided new information about the early geological conditions of Mars, its surface, and internal structure.Yang Liu, a planetary scientist at NASA's...