When LIGO detected gravitational waves unleashed from two colliding black holes for the first time in science history, it set off a whole new era in astronomy.

Albert Einstein's theory of general relativity—which explains gravity as the product of the distortion of space and time—may not be universally applicable. This is the conclusion of physicists from ...

The Einsteinian Revolution: The Historical Roots of His Breakthroughs Jürgen Renn and Hanoch Gutfreund Princeton Univ. Press (2023) German physicist Albert Einstein died in 1955, and yet he is much ...