March 21 (Reuters) - Two organic compounds essential for living ... spacecraft from two sites on Ryugu in 2019. Uracil is one of the chemical building blocks for RNA, a molecule carrying ...

This revealed the presence of uracil and nicotinic acid, as well as other nitrogen-containing organic compounds. "We found uracil in the samples in small amounts, in the range of 6–32 parts per ...

The discovery of the nucleobase uracil is a big step forward for astrobiology. One of the four nucleobases of RNA has been discovered in samples retrieved from the asteroid Ryugu, providing the ...

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demonstrates that water sprayed into a mixture of gases present in the early atmosphere can lead to the formation of organic chemical compounds such as uracil, one of the molecules in RNA.