Gravity can bend light and turn galaxies into natural telescopes. This video explains gravitational lensing and how it lets ...

The biggest open problem in the foundations of physics is that Einstein’s theory of gravity, General Relativity, does not ...

Spacecrafts don’t just rely on rockets—they use planets to pick up speed! Spacecrafts don’t just rely on rockets—they use planets to pick up speed! It’s called a gravity assist, and it’s one of the ...

Gravity is a basic force that affects everything we experience. Watch as a flat earther attempts to explain it without using gravity at all. The explanation starts confidently, then slowly shifts as ...