The latest research on asteroid Bennu has revealed its heterogeneous origin and a parent world with flowing water, adding to the evidence that this small and somewhat dangerous rock is extremely complex. Researchers have revealed the presence of a variety of materials in Bennu, some older than the Solar System, as well as new evidence of water modifications. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The OSIRIS-REx mission, which delivered over 120 grams (4.2 ounces) of Bennu ’s soil to Earth in 2023, is the largest haul of asteroid material ever collected by a space mission. Scientists around the world have been able to look at a portion of the material and work out where it comes from.

Asteroids allow us to study what the bui

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