Dark Matter

Distorted images of remote galaxies. Credit: NASA

Images of remote galaxies distorted by the gravity of normal and dark matter. Credit: NASA, ESA, and J. Lotz and the HFF Team (STScI)

Dark matter is a mysterious, invisible type of matter that makes up about 25% of the universe.
Even though we can’t see it, we know it exists because of its gravitational effects on galaxies and cosmic structures.

Researchers