What if dark matter is not a particle? The second wind of modified gravity.

Another year has passed and Vera Rubin was not awarded the Nobel Prize. She�s 88 and the prize can�t be awarded posthumously, so I can�t shake the impression the Royal Academy is waiting for her to die while they work off a backlog of condensed-matter breakthroughs.

Sure, nobody knows whether galaxies actually contain the weakly interacting and non-luminous particles we have come to call dark