Scientists have used theloudest gravitational wave signal ever recorded to put Albert Einstein’s century-old theory of general relativity to its toughest test yet. This extraordinary signal, known as ...

Albert Einstein is one of the most recognized and well-known scientists of the century. His theories solved centuries-old problems in physics and rocked even non-physicists' view of the world.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Ferdinand Schmutzer - Public Domain/Wiki Commons. Albert Einstein, everyone's favorite wild-haired genius with a ...