Scientific American Magazine

As Charles Darwin had suspected, earthworms that flee from ground vibrations do so to escape hungry moles—even though sometimes it is humans chasing them

Titan, Saturn's largest natural satellite, scarcely deserves to be a called a mere moon. It has an atmosphere thicker than Earth’s and a surface that is almost as varied

Hydrogen sulfide, a lethal gas best known for smelling like rotten eggs, turns out to play key roles in the body—a finding that could lead to new treatments for heart attack victims and others

Scientists have carefully manipulated grasslands and forests to see how precipitation, carbon dioxide and temperature changes affect the biosphere, allowing them to forecast the future

Looking at the mineral kingdom through the lens of deep time leads to a startling conclusion: most mineral species owe their existence to life

Brain regions active when our minds wander may hold a key to understanding neurological disorders and even consciousness itself