Posted on Friday, 3 December, 2010 | 260 comments| News tip by: Nareik616
Image credit: NASA
"The definition of life has just expanded" - NASA has discovered an organism on Earth based on arsenic.
The eagerly anticipated announcement was not about the discovery of alien life but it is groundbreaking all the same, the discovery opens the door to finding life outside of the Earth in environments previously believed to be uninhabitable.
"NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth."