While studying asteroid Bennu up close, NASA’s OSIRIS-REx spacecraft witnessed periodic outbursts of material being kicked up from the surface; a dedicated observation campaign revealed details of the activity.
![Where rocks come alive: OSIRIS-REx observes an asteroid in action](https://www.advancedsciencenews.com/wp-content/uploads/2020/09/particlesflyingoffasteroid_ASN.jpg)
While studying asteroid Bennu up close, NASA’s OSIRIS-REx spacecraft witnessed periodic outbursts of material being kicked up from the surface; a dedicated observation campaign revealed details of the activity.
Ammonia sparks unexpected shallow lightening on Jupiter.