"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Even though dark matter is invisible—and, technically, still hypothetical—it is thought to be the driving ...

Scientists from Caltech have developed ‘a new type of matter,’ which they are calling polycatenated architected materials, or PAMs. This new matter doesn’t occur naturally, and uses chainmail-like ...

If a new research paper’s theory is correct, then there should be a much higher population of very small, very luminous galaxies in the early universe. With everything we learn about the nature of ...

Scientists know that the elusive substance called dark matter makes up most of all the matter in the universe, but have never ...

Matter is “stuff”. It is anything that is made up of particles that take up space. Everything we can feel and see on Earth is matter, and it’s usually in one of three types: solid, liquid or gas. This ...