New Signs of an Environment Favorable for Life on Saturn's Enceladus

In the search for extraterrestrial life, one of the most promising candidates so far is the tiny moon Enceladus. Research appearing today in the AAAS journal Science includes exciting new evidence of this promise--the detection of molecular hydrogen. A view of icy Enceladus from the Cassini spacecraft. Image Credit: JPL-Caltech/Space Science Institute. One of Saturn's 62 moons, Enceladus is just over 300 miles in diameter (the Earth is nearly 8,000) and covered in an icy crust. It may not sound ...