The NASA spacecraft hit the moon Dimorphos, but that yanked the whole system hard enough to measure. Also, the plume was modeled in 3D, and the bigger asteroid is spitting rocks at its moon. So yeah, a lot.
An expanding cloud of debris may (harmlessly!) hit us in a few years
November 21, 2022 Issue #489
September 29, 2022 Issue #466
November 22, 2022 Issue #490
Getting whacked by the DART spacecraft has caused boulders to fly off of a tiny asteroid moon
That title is entirely too long but it is informative
Preventing an impact could rely on bombing it...but to deflect it, not destroy it
Goodbye photos from an asteroid-bound spacecraft, plus the Sun is at its activity peak now
December 27, 2022 Issue #505
Observations show a lot of these stars are actually zombies. Also: moving an Earth-threatening asteroid just got a bit harder
August 20, 2018 Issue #37
