Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

Hydrogen is the most abundant element in the cosmos. The reason is simple. Its nucleus was already made a second after the Big Bang, when the early Universe was filled with a hot soup of protons and ...

An innovative collaboration among scientists at Los Alamos National Laboratory, Fox Chase Cancer Center and the University of Tennessee has successfully applied neutron diffraction to create a ...

In the course of observations of the neutrons produced by the bombardment of elements with accelerated heavy hydrogen ions, we have noticed repeatedly the production of remarkably strong ionising ...