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 ...

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 we know it wouldn't work in a place like the huge Saturn moon Titan, where ...

This fall, NASA scientists revealed evidence of present-day liquid water on Mars, a major finding supplying evidence of the existence on Mars of the ingredients necessary for the creation of organic ...