Asteroid Reveals The 5 Key Genetic Ingredients For Life on Earth : ScienceAlert

a href=”https://www.sciencealert.com/asteroid-ryugu-is-packed-with-life-building-molecules-latest-tests-reveal”>The discovery of thymine in asteroid samples suggests that both uracil and thymine were available to early Earth.

“The widespread occurrence of nucleobases in extraterrestrial materials, including the pyrimidine thymine, suggests that all nucleobases were available for prebiotic chemistry on early Earth,” the researchers write.

The research has been published in Nature Astronomy.