"Galaxies don't have enough regular matter to keep them from flying apart, scientists have been telling us for years. So there must be a bunch of unseen "dark matter" lurking in every galaxy.
But dark matter has never been directly detected, and nobody knows what it might be made of. A few scientists remeain skeptical. To a lay person, it might sound downright crazy."

In May 2004, a group of about 30 concerned scientists published an open letter to the global scientific community in New Scientist in which they protested the stranglehold of Big Bang theory on cosmological research and funding.