At the South Pole, astronomers try to unravel a force greater than gravity that will determine the fate of the cosmos
Twice a day, seven days a week, from February to November for the past four years, two researchers have layered thems...

At a particular instant roughly 15 billion years ago, all the matter and energy we can observe, concentrated in a region smaller than a dime, began to expand and cool at an incredibly rapid rate. By the time the temperature had droppe...

The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. While the spatial size of the entire universe is unknown, it is possible to measure the size of the o...