Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Some scientists think alien ...

Life as we know it needs water, but life as we don't know it may run on concentrated sulfuric acid. The chemistry of life as ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Illustration by Erin O’Flynn/The Daily Beast/Ken Crawford/Wikimedia Commons There’s a theory that’s in vogue in ...