It's 99 percent dark matter, a new study explains.

Explore the discovery of CDG-2, one of the darkest galaxies dominated by dark matter, through NASA's Hubble Space Telescope.

Add Yahoo as a preferred source to see more of our stories on Google. Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in galaxy NGC 6099. Credit: NASA's Goddard Space Flight Center Paul Morris: ...

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I don’t know about you, but I can’t have enough of these fly-by videos of the Hubble space telescope. I wish the visualization teams at NASA and ESA made this for ...

Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

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