Samples of Bennu were brought back to Earth by NASA’s OSIRIS-REx spacecraft in 2023. Now, a pair of newly published papers ...

Scientists detected all five nucleobases -- building blocks of DNA and RNA -- in samples returned from asteroid Bennu by NASA's OSIRIS-REx mission.

Asteroids, small airless bodies within the inner solar system, are theorized to have contributed water and chemical building blocks of life to Earth billions of years ago. Although meteorites on Earth ...

Japanese collaborators detected all five nucleobases — building blocks of DNA and RNA — in samples returned from asteroid ...

These orientations vary across the four bases: adenine, guanine, cytosine and thymine. Furthermore, spin system simulations analyzed the electric field gradient data of adjacent bases, showing that ...

A computational study has replaced the carbon in cytosine, guanine, adenine, thymine and deoxyribose with nitrogen and boron to understand what carbonless DNA might be like. The study generated a set ...

on one strand of the DNA and cytosine-thymine-guanine, or CTG, on the complementary strand—begin to repeat over and over, expanding to as many as 40 to 120 copies. The extended copies create ...