The Atacama Cosmology Telescope is a collaborative project led by Penn and Princeton researchers (Photo Courtesy of ACT Collaboration). The Atacama Cosmology Telescope — a National Science ...

The universe may have been born out of nothing, with an "anti-universe" twin where time runs in the opposite direction—rather than exploding from an infinitely small and dense point, or "singularity." ...

Did The universe really begin with a bang, a bounce? The theory that the universe is both possibly having endured a sudden contraction and then bounced into the expanding universe we know today is not ...

This video presents a comprehensive zoom out to the observable Universe, illustrating the vastness of space and the scale of ...

The scientific study of cosmology, the field that focuses on the origins and evolution of the universe, is barely a century old. It has already been transformed more than once by new ideas, new ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say. When you ...

With the increasing power of telescopes and computers, cosmologists today are pushing the boundaries of human knowledge about the universe, seeing further and simulating more accurately that ever ...

Two recent studies by Professor Stefano Profumo at the University of California, Santa Cruz, propose theories that attempt to answer one of the most fundamental open questions in modern physics: What ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.