What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...

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 ...

Isaac Newton - isn't he the guy who discovered gravity? Great! So, what's gravity? Aaaah, gravity is the force that makes objects fall towards the ground. And, without gravity, we'd all float!

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...