Scientific American

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

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

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

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