Scientists think a new framework for quantum gravity could offer clues about a mysterious 5th fundamental force of nature.

New claims challenge inconsistencies in one of the foundational principles of physics. Albert Einstein postulated in his 1905 ...

Unifying gravity and quantum theory remains a significant goal in modern physics. Despite the success in unifying all other fundamental interactions (electromagnetism, strong force and weak force) ...

This video explores why gravity is far stranger than the simple force most people imagine. It breaks down how gravity is ...

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In a bold step toward solving one of science's most puzzling problems, researchers have proposed a new way to bring gravity into the same mathematical language as the other forces of nature. While the ...

For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to merge Einstein’s smooth space-time with the jittery world of quantum mechanics. A new wave of ...

Despite dozens of experiments over the years, scientists still don't have a precise measurement for gravity's strength. Why is that?

I rarely write much about it in my research papers, but every piece of science I have ever done either assumes the correctness of general relativity – our most fundamental theory for explaining ...