Neutron stars are some of the densest objects in the universe. They are the core of a collapsed megastar that went supernova, have a typical radius of 10 km—just slightly more than the altitude of Mt.

In a stunning demonstration of one of Einstein's most famous equations, physicists are claiming to have created matter from pure light for the very first time. Albert Einstein's famous E=mc^2 equation ...

The Large Hadron Collider plays with Albert Einstein's famous equation, E = mc 2, to transform matter into energy and then back into different forms of matter. But on rare occasions, it can skip the ...