How might life have endured on Mars considering its climatic shifts from hot to cold and back to hot again?
Mars has experienced significant climatic changes over its geological history, which profoundly affects its potential to support life. Initially, during its early history approximately 3.8 billion years ago, Mars likely had a thicker atmosphere, which could have supported warmer, wetter conditions similar to those of early Earth. This period, known as the Noachian, might have […]