One of the basic assumptions of cosmology is that the Universe is basically the same everywhere. That is, our location in the cosmos isn't special, and if we happened to be located in another corner ...

“The cosmological principle is like an ultimate kind of statement of humility,” explains James Adam, astrophysicist at the University of the Western Cape, Cape Town, South Africa, and lead author of ...

Astronomers have assumed for decades that the Universe is expanding at the same rate in all directions. A new study based on data from ESA’s XMM-Newton, NASA’s Chandra and the German-led ROSAT X-ray ...

The standard model of Cosmology makes an important assumption: that the Universe is essentially isotropic, the same in all directions. This is a pretty good assumption, and so far isotropy seems to be ...