People are familiar with three states of matter of solid, liquid and gas. There is also a fourth state of matter, called ...

By studying over 26,000 of these ultra-dense stars, scientists are getting closer to using them as natural test labs for exploring extreme gravity and the elusive particles that make up dark matter.

In our everyday lives, we generally perceive matter in three classical states: solid, liquid, and gas. However, when scientists venture into the realm of extreme conditions, such as temperatures ...