Dark Matter

Matter that produces no detectable energy, but that reveals its presence through its gravitational pull on the visible matter around it. Dark matter makes up more than 90 percent of all the matter in the universe. There are many possible forms for dark matter, but most current theories suggest a subatomic particle created in the Big Bang.


Dark Matter In the universe, what you see is certainly not...

Radio Programs

Great Wall A wall of galaxies across the universe Monday, November 17, 2014
WIMP-y Glow Bright evidence of dark matter Wednesday, July 30, 2014
Dark Detections Looking for particles that don’t wimp out Wednesday, August 7, 2013
Dark Experiments Looking for the unseeable Tuesday, August 6, 2013
Dark Universe Adding up the universe Monday, August 5, 2013
Anti-Discovery The possible signature of dark matter Wednesday, June 26, 2013
Andromeda Galaxy A galactic twin in the evening sky Tuesday, September 11, 2012
AMS-2 Looking for antimatter Tuesday, April 19, 2011
Last Ride Shuttling a big magnet into space Monday, April 18, 2011
Sunflower Galaxy A good night for galaxy-watching Thursday, March 31, 2011
Underground Astronomy IV Searching for dark matter in a dark location Friday, March 4, 2011
Underground Astronomy Astronomy in the lowest of places Tuesday, March 1, 2011
Dark Matter Searches II Brewing up some dark matter Friday, July 23, 2010
Dark Matter Searches Catching an invisible particle Thursday, July 22, 2010
Dark Matter Particle Big, heavy, but hard to find Wednesday, July 21, 2010
Bullet Cluster Catching a cosmic bullet Tuesday, July 20, 2010
Dark Matter Most of the universe goes missing Monday, July 19, 2010
Dark Search Searching for dark matter Thursday, October 29, 2009
More Axions Dark matter from "dead" stars Friday, May 22, 2009
Axions Looking for darkness from the Sun Thursday, May 21, 2009
More M87 Illuminating a galaxy's darkness Thursday, May 14, 2009
Fireball Looking into a great emptiness Tuesday, May 5, 2009

Featured Images

Simulation of the early universe
Tangled Web Saturday, May 10, 2014
Hubble image of a galaxy cluster and the deduced location of its dark matter
Dark Universe Monday, August 5, 2013
Alpha Magnetic Spectrometer aboard the International Space Station
Magnetic Personality Wednesday, June 26, 2013
Artist's concept of the Milky Way galaxy and its dark matter halo
Illuminating the Darkness Saturday, February 9, 2013
Optical and X-ray image of the galaxy cluster Abell 383
Brilliant Darkness Friday, March 16, 2012
Alpha Magnetic Spectrometer-2 attached to the International Space Station
On Duty Monday, May 23, 2011
Space shutle Endeavour launches on its final mission, June 16, 2011
Final Endeavour Monday, May 16, 2011
This giant cluster of galaxies and hot gas provides evidence of dark matter.
Cosmic Bullets Tuesday, July 20, 2010
Galactic Glow Friday, February 8, 2008
Lighting up the Darkness Tuesday, October 3, 2006


©2014 The University of Texas McDonald Observatory