# The Mystery of Dark Matter Dark matter, a type of matter that does not emit or reflect any electromagnetic radiation, is one of the universe's greatest enigmas. Despite making up approximately 27% of the universe's total mass-energy density, dark matter remains invisible to our telescopes. Researchers continue to investigate the properties of dark matter, hoping to uncover its true nature. | Greatest Minds and the Legends | Facebook

Dark matter is composed of particles that do not absorb, reflect, or emit light, so dark matter is material that cannot be observed directly. We know that dark matter exists because of the effect it has on objects that we can observe directly. But what is it? Why do we need to study it? Watch and learn more about the mystery of dark matter detection. | Massachusetts Institute of Technology (MIT)