All of the bases in DNA and RNA have now been found in meteorites
Scientists have detected adenine and guanine in meteorites for decades and seen hints of uracil. But cytosine and thymine had remained elusive.

All of the bases in DNA and RNA have now been found in meteorites

Scientists have detected adenine and guanine in meteorites for decades and seen hints of uracil. But cytosine and thymine had remained elusive.