Every spring and fall, something quietly extraordinary happens above our heads. On a single autumn night with favorable winds, there can be more than one billion birds in the air over the United ...

Add Yahoo as a preferred source to see more of our stories on Google. SALT LAKE CITY (ABC4) — Warmer weather in Utah means runoff from melting snow — and that runoff can create dangerous situations ...

A water-powered nanogenerator uses droplet formation to convert flowing water into electricity, providing a clean, inexpensive energy source for small devices, sensors, and self-powered environmental ...

A rare flower that grows in rushing water in only three Southern states blooms briefly in late spring. And to see this Cahaba lily up close takes some effort. In parts of the South, there's a unique ...