Scientific American

The Hayli Gubbi volcano, long thought to be dormant, sent ash nine miles into the sky in an eruption on Sunday

U.S. flu rates remain low, but experts are keeping an eye on a new strain that’s been linked to unexpectedly early and severe seasons in several other countries

The decision to move Iran’s capital is partly driven by climate change, but experts say decades of human error and action are also to blame

NASA spent years and billions of dollars collecting Martian samples to bring home. Now they might be stranded

City-dwelling raccoons seem to be evolving a shorter snout—a telltale feature of our pets and other domesticated animals

Researchers tracked thousands of Americans for decades, finding no links between ingesting recommended levels of fluoride and lower cognitive skills