Tag Archive for Adenine

Hayabusa-2 image of the asteroid Ryugu as seen from a distance of 3.7 miles. A particularly large crater is visible near the center of the image. Image credit: JAXA / University of Tokyo / Kochi University / Rikkyo University / Nagoya University / Chiba Institute of Technology / Meiji University / University of Aizu / AIST.

DNA’s Building Blocks May Have Arrived from Space, Asteroid Ryugu Samples Suggest

Mar 17, 2026 by News Staff

Samples returned by JAXA’s Hayabusa-2 mission from the C-type asteroid (162173) Ryugu contain all five canonical nucleobases — purines (adenine...

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