CI chondrites are the most water- and volatile-rich of meteorites, with compositions similar to space rocks like Ryugu and Bennu. They are very porous and 'wet', with up to 20 percent of their weight ...
A groundbreaking study of asteroid Ryugu has revealed something scientists never expected: water moved through its rocky ...
NASA's OSIRIS-REx mission to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...