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 explore if there is a true connection between light and gravity. We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new ...

"One of the questions I got was how does gravity work, and I was like, 'Oh that's a great question," says Hirotaka Ata, M.D., Ph.D., one of the volunteer scientists. "I talked about how everything has ...

Aerodynamics explains how airplanes fly through the interplay of four fundamental forces: lift, weight, thrust, and drag. Lift opposes gravity, thrust propels forward, and drag resists motion. Pilots ...