RNA compound and vitamin B3 found in samples from near-Earth asteroid - CNN
![](https://media.cnn.com/api/v1/images/stellar/prod/230321120109-02-ryugu-asteroid-samples.jpg?c=16x9&q=w_800,c_fill)
Organic molecules, including uracil and niacin, have been detected in samples collected by Japan's Hayabusa2 mission from the near-Earth asteroid Ryugu. Uracil is a component of RNA while niacin is better known as vitamin B3, a key cofactor for metabolism.