Scientific American

Dogs spontaneously aid struggling humans the way young children do—whereas cats wait until they stand to benefit

The first participant has been treated in a landmark clinical trial of cellular reprogramming, which aims to rejuvenate aging cells

A step-by-step guide to the “Doginburgh Inventory,” a new pawedness test developed by dog behavior researchers

Dermatologists and skincare aficionados are excited for the U.S. to finally get a new, more protective sunscreen filter after more than 20 years of regulatory roadblocks. Here’s how bemotrizinol works

Researchers have created the first high-resolution global map of the extent of one of Earth’s largest—and least visible—living networks

Extremely curved spacetime can warp cause and effect, creating channels for backward communication