According to a study conducted by University of Tokyo researchers, Ryugu maintained a "pristine record" of late water activity. By examining the lutetium and hafnium isotopes in their rock samples, ...

Scientists have found evidence of liquid water flowing through the asteroid Ryugu for over a billion years, challenging previous theories about water activity on asteroids.

NASA has received samples of Asteroid Ryugu from the Japan Aerospace Exploration Agency (JAXA). The samples were collected by ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...

See multiple views from the Hayabusa2 spacecraft's touching down on asteroid 162173 Ryugu. Credit: JAXA/U. Tokyo/Kochi U./Rikkyo U./Nagoya U./Chiba Inst. Tech./Meiji U./U. Aizu/AIST ...

The metal-coated asteroid Psyche may have had eruptions of molten iron and nickel on its surface. This situation was more ...