Nature: Walking With Emerson & Thoreau is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet ...

that the universe is bursting with meaning. In his own time, Emerson was accused of being a pantheist, or a believer in the idea that nature is God, but that accusation misses its mark.

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant of nature that drives the accelerating expansion of the universe. But a new ...

"This once again changes our fundamental understanding of nature, and in particular our understanding of the future of our universe. Will the expansion continue forever, or will the acceleration ...

New data further challenge the best scientific theory of the history and the structure of the universe ... faster — is not a constant force of nature but one that ebbs and flows through cosmic ...

is an orbiting observatory gathering data on how the universe has expanded and how its structure has formed over time and amassing information about the nature of dark energy and dark matter and ...