Discover the structure of space with these 7 amazing NASA facts. Discover the secrets of cosmic dust, dark matter, and the ...

Dark matter makes up a large portion of the universe, but we've never seen it. Here's what we know, what it might be, and why it could change everything. More than 80% of the universe's matter is ...

Researchers have an explanation for how dark matter emerged - beginning with weightless particles and ending with massive ...

Dark matter is a mysterious force that expands the universe but does not emit or reflect electromagnetic radiation. It fascinates researchers who are constantly striving to uncover the truth about it.

according to NASA. Scientists call that dark matter, because it does not interact with light and is invisible. In the 1970s, ...