Discover, November 24 2010.
A new study of binary galaxies in deep space is inching us closer to understanding the nature of dark energy, the mysterious force pulling our universe apart at an ever-increasing rate.
“We have an amazingly simple picture of the universe,” says Princeton University astrophysicist Michael Strauss. “Of course, we don’t understand that picture—we don’t know what dark energy is, and we don’t know what dark matter is.” Read More >