Scientists posit that some dead stars made from the densest material in the known universe, so-called "neutron stars," could act as traps for dark matter particles that smash together at high speeds ...

In particle physics, “annihilation” is a transformation. When you hear the word “annihilation,” you might think of a Marvel Comics storyline, or perhaps the first book in the Southern Reach Trilogy.

Positron physics examines the behaviour of the positron, the electron’s antiparticle, and its interactions with matter. Central to this field is the study of annihilation processes, whereby positrons ...

Until now, no technology was known that would be able to give rocket exhaust at relativistic speed and a high enough momentum for relativistic travel. Here, a useful method for relativistic ...