Nonluminous matter that is hypothesized to exist because the visible matter in the universe is not sufficient to account for various observed gravitational effects.
Articles on KurzweilAI.net that refer to Dark MatterForeword to The Intelligent Universe By Ray Kurzweil
News Articles that refer to Dark MatterGiant simulation could solve mystery of dark matter
Warp drive and wormholes could be used for time travel, says physicist
Dark matter particle discovered?
Universe's dark matter mix is 'just right' for life
Rumours that first dark matter particle found
Dark matter remains at large
Colossal Cosmic Collision Reveals Mysterious Dark Matter
Cosmic 'train wreck' defies dark matter theories
Dark matter 'bridge to nowhere' found in cosmic void
Mysterious electrons may be sign of dark matter