http://blogs.discovermagazine.com/d-brie...-long-ago/
EXCERPT: The Moon is completely inhospitable and barren with no semblance of life on its surface, however, this may not have always been the case. Scientists have discovered that at two points in the natural satellite's four billion year existence, the Moon could have harboured life. [...] One window for life to flourish was shortly after its formation 4 billion years ago. The second was 3.5 billion years ago and was caused by lunar volcanic activity. Scientists believe the moon was spewing out large quantities of volatile gases. Life on Earth may have started in a similar manner, however, the more likely explanation is that living bacteria crash landed here on a meteorite...
MORE: http://www.dailymail.co.uk/sciencetech/a...s-ago.html
EXCERPT: The Moon is completely inhospitable and barren with no semblance of life on its surface, however, this may not have always been the case. Scientists have discovered that at two points in the natural satellite's four billion year existence, the Moon could have harboured life. [...] One window for life to flourish was shortly after its formation 4 billion years ago. The second was 3.5 billion years ago and was caused by lunar volcanic activity. Scientists believe the moon was spewing out large quantities of volatile gases. Life on Earth may have started in a similar manner, however, the more likely explanation is that living bacteria crash landed here on a meteorite...
MORE: http://www.dailymail.co.uk/sciencetech/a...s-ago.html