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 ...

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under very different disguises. For centuries we have treated gravity as the ...

You jump up, and gravity brings you back down to Earth. You reach the brow of a hill and gravity accelerates you down the other side. All neat and tidy then: gravity behaves in the way Newton thought ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows matter rushing forward from a singularity at the dawn of time during the Big Bang. | Credit: Robert Lea ...

Gravity is the unseen force that shapes the universe, yet we rarely give it much thought. First explained by Sir Isaac Newton, it is the pull that draws objects toward one another based on their mass ...

Recently, here, some commenters have argued that a theologian has no right to talk about things outside his or her own field of knowledge—such as science. That’s nonsense. Theology is about everything ...