One of the best-performing models in cosmology is also one with the least physical rationale behind it. Columnist Leah Crane ...

Cyclic cosmology, or the big bounce, is the idea that the universe will eventually crunch back together and then go through another big bang. Columnist Leah Crane finds that, appropriately, it’s comin ...

“The first thing we know about the universe is that it’s really, really big,” says cosmologist Michael Turner, who has been contemplating this reality for more than four decades now. “And because the ...

The conclusion of DESI's first survey marks an important milestone for cosmology, which finds itself in a bind for the best ...

Physical cosmology, as a branch of astrophysics, is the study of the large-scale structure of the universe and is concerned with fundamental questions about its formation and evolution. Cosmology ...

A six-year-old controversial theory that told of a time before the Big Bang is undergoing a resurgence, only to be lampooned again by its original critics. The theory of ekpyrotic cosmology was first ...

An expert shares his personal reminiscences of the evolution of the subject of cosmology over six decades. He tells of the increase in our confidence in the standard model of cosmology to the extent ...