Your title reminds me of Operation Plumbbob and a scifi story loosely connected to it. > scientists detect an unspeakable horror from beyond traveling through space towards Earth > Russians build mile-deep holes lined with tungsten and a nuke at the bottom in some water > horror is thinking of delicious human minds when its consciousness is immediately snuffed out > humanity cheers as slav-tech nuclear shape charge blows a hole clear through the horror at an appreciable fraction of C