Gravity is the force of action between two objects. It’s called a natural force because it acts at a distance rather than needing to be in contact. Gravity is the force that holds us down on Earth and ...

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 ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity’s influence.

Dr Charles Buhler takes people through his lab in a new video. He explains more about how they developed and detected a new force from large electrostatic pressure differences. They claim this force ...

What goes up -- A natural tendency -- Gravity falters -- And yet it moves -- Action at a distance and other gravitational mysteries -- Warping the universe -- Einstein's masterpiece -- One of four -- ...

It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in ...