"The definition of life has just expanded."
NASA has discovered a new life form - called GFAJ-1- that doesn't share the biological makeup of anything currently living in planet earth. It uses arsenic to build its DNA, RNA, proteins, and cell membranes.
Click here to read more on the insanely groundbreaking discovery.
In other news, NASA tweets: "NASA tweeted that this discovery "will change how we search for life elsewhere in the universe."