I have been moved. Lee Billings at Aeon writes about the decent chance for life on Europa, relative to Mars at least, and makes a strong case for making it a much bigger exploratory focus than our dead, red neighbor. But even more fascinating is his speculation about how the discovery of life on Europa could indicate the possibility for life on any other enclosed and water-rich world: [I]f water and life could exist [on Europa], why not in the hearts of... Read more