In a study published in Science, researchers used silver nanoparticles to assemble a theorized, but never-before observed crystal metallic structure.

Few things in the universe are as perplexing as dark matter — the invisible and exotic “stuff” that is thought to make up most of the matter in galaxies. Subscribe to read this story ad-free Get ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...