A groundbreaking study of asteroid Ryugu has revealed something scientists never expected: water moved through its rocky ...

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

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, ...

OSIRIS-REx reveals gray asteroids reflect red or blue light differently due to sulfide minerals, offering clues to rocky body evolution in the solar system. It also enables future research. By having ...

Planet Earth is about to receive a special delivery — the biggest sample yet from an asteroid. A NASA spacecraft will fly by Earth on Sunday and drop off what is expected to be at least a cupful of ...