A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...
A rock measuring 900 meters is on a journey through our solar system, providing what is arguably one of the strongest pieces of evidence yet that life originated from outside of planet Earth.
The presence of the nucleobases in the samples reinforces the hypothesis that carbonaceous asteroids contributed to the prebiotic chemical inventory of the early Earth.
DNA, long known as the molecule that carries genetic information, is taking on a new role in science. Researchers now see it ...