小行星162173龙宫（Ryugu）直径约900米，绕太阳运行的周期为474天，其轨道经常与地球轨道重叠。虽然它不太可能撞击地球，但由于其体积足够大且距离地球足够近，美国国家航空航天局（NASA）将其归类为“潜在危险”小行星。

On September 3, scientists studying samples from the Bennu asteroid have discovered a variety of unusual materials, some of which existed even before the formation of the Sun. Three recent papers ...

In May 2021, OSIRIS-REx began its journey back to Earth carrying dust from Bennu - a rubble-pile asteroid older than Earth ...

Our solar system is filled with rocky debris tumbling around the sun, most of which is the same age, but the asteroid Bennu ...

One of the studies, published in the journal Nature Astronomy, shows that ice inside the parent asteroid melted and reacted ...

Tom Zega, a University of Arizona scientist who's worked on samples brought back from the asteroid Bennu, tells The Show more ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, three new studies of the asteroid's sample materials show.

New data from the James Webb telescope suggests that Bennu and Ryugu — two asteroids recently visited by sample-return missions — are both fragments of a single massive "parent." ...

If the near-Earth asteroid Bennu were to collide with Earth in the future, the space rock could cause substantial global damage, even though it’s a fraction of the size of the asteroid that wiped out ...

OSIRIS-REx samples from Bennu contain stardust older than the Sun, preserving clues to the solar system’s earliest history.

NASA’s OSIRIS-REx spacecraft collected Bennu’s samples in 2020 during a swift touch-and-go. The material contains ancient stardust, interstellar organic matter, and minerals formed from melted ice ...

Bennu is one of the most hazardous known asteroids in our solar system. Thanks to a visit by a NASA spacecraft, scientists have a much greater understanding of the near-Earth asteroid, its upcoming ...