Back to Article List From the December 2008 issue Does dark matter clump together like ordinary matter? John Lowe, Calgary, Alberta By Astronomy Staff | Published: December 29, 2008 Dark matter does clump under its own gravity.
Science Ask Astro: If gravity is the weakest fundamental force, why is the Sun’s gravity so far-reaching?
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?