If you asked a random person to name the most expensive substance in existence, you'd probably hear a lot of guesses centered on precious material deposits like gold, platinum, or oil. All fetch a ...

Our universe is filled with particles, such as electrons and protons, which make up all the stuff on our planet and beyond: animals, plants, people, planets, asteroids, stars, gas clouds, and galaxies ...

Why didn’t the universe annihilate itself moments after the big bang? A new finding at Cern on the French-Swiss border brings us closer to answering this fundamental question about why matter ...