galaxies
Galaxies Far, Far Away Send Us Highest-Energy Cosmic Rays
A new study hints that the most energetic particles ever seen come from far beyond the Milky Way. Learn more about your ad choices. Visit megaphone.fm/adchoices
Cosmic Simulation Shows How Dark-Matter-Deficient Galaxies Confront Goliath and Survive
A research team finds seven tiny dwarf galaxies stripped of their dark matter that nonetheless persisted despite the theft. Learn more about your ad choices. Vi…





