image: Photomicrograph of a handpicked Zag blue halite. This material relates to a paper that appeared in the 10 January 2018, issue of Science Advances, published by AAAS. The paper, by Q.H.S. Chan at NASA Johnson Space Center in Houston, TX, and colleagues was titled, "Organic matter in extraterrestrial water-bearing salt crystals." view more
Credit: [Credit: Dr. Queenie Hoi Shan Chan]