A groundbreaking study recently published in the Planetary Science Journalhas raised the possibility that asteroids Bennu, Ryugu, and Polana may all be fragments of a common parent body. The paper, ...

This time last year, scientists got their hands on some very rare space rocks — specifically, 5.4 grams of material from the near-Earth asteroid 162173 Ryugu, which was returned to Earth via the ...

Asteroid Ryugu or Asteroid 162173 Ryugu is the most important rock in our solar system after following a successful sample-return mission by Japan’s Hayabusa2 spacecraft, scientists discovered that ...

A close-up image of asteroid Ryugu. A new analysis of samples from the space rock hints that flowing water once coursed through its interior. | Credit: ISAS/JAXA, CC BY 4.0 , via Wikimedia Commons ...