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The Sun is not nailed to the center of the solar system. It moves, wobbles, and traces a small loop through space, tugged by ...

The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports What lies ...

Dark matter is a hypothetical form of matter that is implied by gravitational effects that can't be explained by general relativity unless more matter is present in the universe than can be seen. It ...

How do gravity waves affect mass? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer by Kirsten Hacker, ...

An international collaboration led by scientists mainly at Tokyo University of Agriculture and Technology (TUAT) , Japan, has found that bone and muscle mass are regulated by the altered gravity. The ...

The study conducted by an international team of astronomers exposed mice to different levels of gravity in the orbital ...

Quote of the day by Newton: 1915 changed physics forever. In that year, Albert Einstein published the general theory of relativity and reshaped our understanding of gravity and spacetime. For 228 ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you took a look at all the galaxies in the Universe, measured where ...