The Japanese space probe Hayabusa2 claims the record for the first human-made crater on an asteroid. On April 25, 2019, the impact between a copper "bullet" and Ryugu, the body celestial object of the experiment.
The image in the post, taken by a camera of the probe, shows the effects of the impact on the surface (source: Kobe University).
The images are quite clear in spite of the distance of sprint: almost two kilometers. We are far from the catastrophic (for a space stone) effects of nuclear explosions like those in the films, but knowing that we can hit and "affect" a asteroid is a good one sign.
We hope that this ability will not serve in the future!