Physicist Alan Lightman ponders this and other questions in his new book, "Searching for Stars on an Island in Maine."
The acclaimed thinker and writer made his mark on the history of science despite being paralyzed for decades.
Freud’s insights—from his writings and exchanges with Albert Einstein more than eight decades ago—offer a crucial perspective into America’s current political crisis.
In the movement for equality, justice and peace, we smile at trouble and gather strength from distress. We grow brave by reflection and do not shrink.
Scientists are announcing a "whole new era" of physics with the possible detection of "fingerprints of the big bang in gravitational waves on the whole universe."