Kellogg Stelle was a professor of physics at Imperial College London for decades until his death last month. In 1977, he developed a particle theory of gravity that’s renormalizable, but the theory’s ...

Biologists have spent generations trying to explain what controls the speed of life. You may already be familiar with the classic idea that growth rises with more nutrients and then steadies. The ...

In the skies of World War II, the P-38 Lightning was a revolutionary predator, but it hid a terrifying secret known as ...

Richie Gray, aka the Collision King, is using a cerebral approach to think about how players hit each other—and making the ...

Climate change and rising authoritarian threats put our future at risk. Bill McKibben discusses his book Here Comes the Sun and explains how solar energy, local action, and civic engagement can drive ...

The search for quantum gravity is the next big step in physics, as researchers seek to unify the physics of the very small ...