All Five Genetic Bases Found in Asteroid Sample (theconversation.com)

• Discovery of nucleobases in asteroid Ryugu samples
• Implications for abiogenesis on early Earth
• Confirmation of extraterrestrial delivery of complex organics

"Researchers have identified all five nucleobases required for DNA and RNA within samples retrieved from the asteroid Ryugu. This discovery reinforces the scientific consensus that the essential building blocks of biological life were synthesized in the interstellar medium and delivered to Earth via extraterrestrial impacts, providing critical data for understanding the evolution of prebiotic chemistry."