Climate change on Mars may have been caused by ancient microbes

A new study says that ancient microbes could have been responsible for Mars’s climate change, leaving the planet a barren wasteland. Around 3.7 billion years ago, these ancient microbes would have been feeding on hydrogen and excreting methane into the Martian atmosphere. On Earth, similar microbes helped warm the atmosphere. On Mars, though, it cooled … The post Climate change on Mars may have been caused by ancient microbes appeared first on BGR.