All five DNA/RNA building blocks found in asteroid Ryugu samples
Every nucleobase needed to build DNA and RNA — adenine, guanine, cytosine, thymine, and uracil — has been found in rock samples from the asteroid Ryugu, according to a study published in Nature Astronomy. Previous research in 2023 had found only uracil. A Japanese team led by Toshiki Koga identified all fiv…
