Probably not, but just possibly yes.
One of the reasons that the search for life elsewhere in the universe is so exciting is that it would take only one chance discovery, one lucky break, for all the walls to come tumbling down. But where is that revolution going to come from?
Perhaps the best news in 2014 came from the Curiosity rover’s apparent detection of a spike in atmospheric methane, discussed in the previous post. It’s far too early to know, but it is possible that this is a sign of extinct or extant life on Mars. Unfortunately, verifying any such claim is challenging.To read more, click here.