Every building block of DNA and RNA has been found on an asteroid

A rock measuring 900 meters is on a journey through our solar system, providing what is arguably one of the strongest pieces ...

We keep finding the raw material of DNA in asteroids—what’s it telling us?

On Monday, a paper announcing that all four DNA bases had been found on an asteroid sparked a lot of headlines. But many of ...
Nanowerk

Pyrimidine: Essential Building Block of DNA and RNA

This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...
Space.com on MSN

Ryugu asteroid sample contains all five key components of DNA, scientists find

A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...
SpaceNews

RNA enzyme structure offers a glimpse into the origins of life

SANTA CRUZ, CA — Researchers at the University of California, Santa Cruz, have determined the three-dimensional structure of an RNA enzyme, or “ribozyme,” that carries out a fundamental reaction ...
Nanowerk

Cytosine in DNA and RNA: Functions, Modifications, and Applications

This image depicts the chemical structure of cytosine. It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon 4. The two remaining positions ...