Dark matter makes up the majority of the universe. A new sky map provides clues about its influence on the visible part of ...
Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the largest scales, space behaves like a vast mirror maze. Instead of stretching ...
Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed maps of galaxies, ghostly light and the large scale structure of space itself.