Dark Matter
Latest about Dark Matter
![The image on the right shows the galaxy, full of "globular clusters." The image on the left shows the measurement the researchers used to track the speed of one such object.](https://cdn.mos.cms.futurecdn.net/KMydNfRLENKN89KSJsg5GQ-320-80.jpg)
Astrophysicists Claim They Found a 'Galaxy Without Dark Matter'
By Rafi Letzter published
Dark matter, if it exists, should be everywhere. But scientists just spotted a galaxy that seems to have none at all.
![A long-exposure photo shows the trails of Earth and stars moving around the International Space Station.](https://cdn.mos.cms.futurecdn.net/ASiHVLDJRD5TNJ4UnHiXZG-320-80.jpg)
A Space Magnet, Hunting Dark Matter, Turns Up Juicy Secrets of Cosmic Rays
By Rafi Letzter published
An experiment based on the International Space Station has turned up new results about the shape and character of mysterious cosmic rays.
![Composite picture of stars over the Cerro Tololo Inter-American Observatory in Chile.](https://cdn.mos.cms.futurecdn.net/CsjAaD3oYaubCP9PeeSr4V-320-80.jpg)
Is Dark Matter Less 'Lumpy' Than Predicted?
By Don Lincoln published
A new night-sky survey of distant galaxies suggests that dark matter is less "lumpy" than previously thought.
![Andromeda galaxy](https://cdn.mos.cms.futurecdn.net/tYm9zoVJtwCpn2V2yfsUMf-320-80.jpg)
Is Dark Matter Real?
By Don Lincoln published
While many people take the existence of dark matter for granted, it's still a theory that has yet to be proven. But new evidence could bolster support for dark matter theories.
![Gamma-ray Excess: Dark Matter or Pulsars?](https://cdn.mos.cms.futurecdn.net/jte8BVHNcDqWFSELY4hz96-320-80.jpg)
'Excess' Gamma-Rays Likely Not Sign of Dark Matter After All
By Mike Wall published
A mysterious abundance of high-energy light near the Milky Way's core likely isn't a sign of elusive dark matter after all, a new study suggests.
![Dark matter filaments bridge the space between galaxies in this false color map. The locations of bright galaxies are shown by the white regions and the presence of a dark matter filament bridging the galaxies is shown in red.](https://cdn.mos.cms.futurecdn.net/hK35XnLsJrFsQjoEUMtUb5-320-80.jpg)
Captured: First 'Image' of the Dark Matter That Holds Universe Together
By Nancy Atkinson published
Researchers have produced what they say is the first composite image of a dark matter filament that connects galaxies across the cosmos.
![Star systems with trajectories in deep space, abstract background.](https://cdn.mos.cms.futurecdn.net/BzT9Jaxr7ceVLY9HVWNvTj-320-80.jpg)
Universe May Have Lost 'Unstable' Dark Matter
By Jesse Emspak published
How much dark matter has gone missing since the Big Bang? New research suggests anywhere from 2 to 5 percent.
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