Albert Einstein c. 1920

How Einstein Became a Celebrity

His theory of general relativity was well known in the U.S., but his 1921 visit caused a sensation.

Lee Smolin: Science Works Because We Care to Know the Truth

Lee Smolin speaks on quantum gravity, the nature of time, the role of ethics in science, and the importance of realism.
Solar Eclipse

An Eclipse is a Scientific Bonanza

On August 21, 2017, North America’s first total solar eclipse in a while will cross the center of the United States from East to West.
Albert Einstein, 1921

Why No One Believed Einstein

Einstein's theory of relativity presented a direct challenge to the notion of ether.

Where in the Solar System is Vulcan?

A hypothetical Planet Vulcan was the best explanation for strange astrological phenomena—until Einstein, that is. 
Gravitational waves

What Are Gravitational Waves?

Einstein predicted over a hundred years ago the existence of gravitational waves. Now a team of over 1,000 scientists have confirmed their existence. 
Visualization of Einstein's Theory of General Relativity.

General Relativity 100 Years On

Einstein's groundbreaking theory of general relativity has remained an essential hallmark of modern physics.
Albert Einstein during a lecture in Vienna in 1921

Entanglement: A Milestone for Quantum Mechanics

Advances in quantum mechanics has proved the existence of entanglement, a principle even Einstein had a hard time swallowing.
"Albert Einstein 1947" by Photograph by Oren Jack Turner, Princeton, N.J. - The Library of Congress. Licensed under Public Domain via <a href="" target="_blank">Wikimedia Commons</a>

Albert Einstein: Genius and Anti-racist

A look at Albert Einstein's passionate fight against racism.