Pam Frost Gorder

A Dark Universe Like Our Own March 1, 2004

As scientists confront an increasingly mysterious universe of mostly dark matter and dark energy, there’s comfort in the discovery that the dark matter, at least, moves in ways that are already familiar. A new theory suggests that dark matter doesn’t hover around galaxies in formless halos as once thought; rather, it clumps together in ways that mirror normal matter. Full story (PDF)