For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general ...

Ever wondered what gravity really is? Is it a force, or is there more to it than we know? In this video, we break down the ...

ACCORDING to the principle of relativity in its most extended sense, the space and time of physics are merely a mental scaffolding in which for our own convenience we locate the observable ...

Albert Einstein's theory of general relativity is based on the idea that massive objects cause a distortion in space-time, which is felt as gravity ...

A festinating new theory shifts focus from space to time, arguing the clock-ticking we take for granted is richer and weirder ...

A new argument explores how the growth of disorder could cause massive objects to move toward one another. Physicists are ...

A researcher throws cold water on a recent effort that purported to eliminate black holes' greatest and most enduring mystery ...

A MATHEMATICAL friend with whom I have been discussing Prof. Eddington's paper on “Relativity and Gravitation,” recently published in NATURE, has made what appears to me to be an interesting ...

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 ...

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is ...

New mathematical work provides a way to identify when information has been changed by manipulating space-time – and it may ...