The “horizon” he points to isn’t a doorway to the divine, other scientists say. Yet, modern physics has been trying to answer questions once left to religion.

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Curious Kids is a series for children in which we ask experts to answer questions from kids. What is the smallest thing in the universe that actually exists? – Mimi, 12, Abeokuta, Nigeria To find an ...

It was a bold thought experiment: that only one electron makes up the entire universe. The most famous conversation about it took place between Richard Feynman, PhD, and John Wheeler, PhD, both ...

Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified approach for measuring the value of the Hubble constant. Published in ...

Immediately after the Big Bang boomed, the Universe was a trillion-degree ' soup ' of unimaginably dense plasma. In a ...

Quasicrystals are orderly structures that never repeat. Scientists just showed they can exist in space and time.

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

Why Information, Not Matter, May Be the True Foundation of Reality - Rethinking Reality Through Physics, Information, ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

“For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever,” says Tye, a professor emeritus at Cornell. A positive constant acts like a ...

A multifractal spectrum called a weighted Cantor set model can describe how galaxies cluster, which is similar to other ...