<![CDATA[ A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, guanine, cytosine, thymine, and uracil. ]]>
Nucleobases are the building blocks of nucleic acids, such as DNA and RNA. They include adenine, guanine, cytosine, thymine, and uracil, which play critical roles in storing and transmitting genetic information.
Astrobiology is the study of the origin, evolution, and potential for life in the universe. It combines elements of biology, chemistry, and astronomy to explore how life might arise on other planets and the conditions necessary for its existence.