The Invisible Becomes Visible: Scientists May Have Finally Seen Dark Matter

The universe has no shortage of mysteries, many of which have puzzled us for ages. One of the biggest is the existence of something called dark matter. First theorized in 1933 by Fritz Zwicky, dark matter is a theoretical type of matter that can't be seen because it doesn't interact with light or any other form of electromagnetic radiation.

After nearly 100 years, and with help from NASA's Fermi Gamma-ray Space Telescope, researchers may have finally "seen" dark matter for the first time. 

Dark matter can't be seen, so simulations like this one show what dark matter might look like if it were visible. 

If this proves to be true, it'll be ...