研究：中国火星车发现火星上存在古代海洋的证据 Scientists say newly examined data from a Chinese explorer on Mars adds to existing evidence that the planet once had a very large ocean.

NASA查明火星直升机最终坠毁原因 The American space agency NASA says it has found the likely cause of a crash that grounded its Mars helicopter Ingenuity.

新发现或可解释火星红色的成因 Scientists say they might have identified the mineral on Mars that is responsible for making the planet appear red.