Uh, NO. Obviously antimatter doesn't move backward in time. The point is that the fundamental laws of nature appear time reversable at the micro-scale -- you can "play a movie" of the "scattering" ...

One of the most fundamental and curious mysteries in the universe is the fact that anything exists at all. That is because during the Big Bang, equal amounts of matter and antimatter particles should ...

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 ...

Antimatter is matter’s equal and opposite. If the two meet, they annihilate each other, turning entirely into energy. This makes it incredibly difficult to store or move antimatter. On 24 March, a ...

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 ...