Scientific American

An ancient sample shows calcite threading through this material’s cracks and pores, offering possible lessons for making modern concrete last longer

Erythrulose—a sugar found in raspberries—is also prevalent in a giant molecular cloud close to our galaxy’s core, scientists have discovered

Alpha-gal syndrome is increasing across the U.S., driven by lone star ticks

A 23-year-old student overturned an ancient conjecture about one of math’s simplest operations

What’s the secret to prompting an AI to solve math problems that have left humans stumped? Tell it to believe in itself

Steel support columns in the Midtown building, which is being converted from offices into apartments, may have been overloaded, experts say