Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall down ...

Gravity behaves predictably in your daily life. Drop a ball, and it falls. Planets loop around stars. On paper, the same rules should also govern matter spread across the universe. But the farther ...

You may have heard people say that aboard the International Space Station (ISS) there's "zero gravity," but in fact, gravity is still very much present. The station orbits Earth at an altitude of ...

Gravity feels constant, almost invisible. It holds oceans in place and keeps us grounded, so we rarely question it. Yet every ...

Isaac Newton confessed that he had no idea what gravity was. The 17th century English polymath knew what it did, and he described it with a universal law of gravitation. But where the law came from, ...

Quantum physics is often described as the most successful scientific framework in history. In its 100 years of existence, it has explained everything from the periodic table of the elements to how ...

A new recipe of "quadratic gravity" could help to better define the picture of the Big Bang and the singularity that existed ...