Astronomers discover galaxy CDG-2 that's 99% dark matter using Hubble, Euclid, and Subaru telescopes working together to detect this cosmic ghost 300 million light-years away.

Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass.

Dark matter is so pervasive throughout galaxies that its presence explains the stability and motion of stars in systems such as the Milky Way. For example, current models indicate that our galaxy is ...

Astronomers have discovered a nearly invisible galaxy called CDG-2, which blends into the cosmic background and is made up of ...

Using data from the Hubble Space Telescope, ESA’s Euclid space observatory, and Hawaii’s Subaru Telescope, the researchers discovered faint light emitting around the clusters. That light was clear ...

You know that feeling when you find something hiding right where you've been looking all along? Astronomers just had that moment on a cosmic scale. A galaxy so faint, so nearly invisible that no one ...

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by ...