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 ...

"I think it's natural to take a break and wonder whether we are fundamentally thinking about this in the wrong way." When you purchase through links on our site, we may earn an affiliate commission.

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.

Astronomers have discovered "dust-shrouded supermassive black holes" in the early universe, less than 1 billion years after the Big Bang—a type of object that had previously escaped detection. An ...