Prince George's, a county that underwent a seismic population shift a generation ago as it became the nation's wealthiest majority-black suburb, might be on the cusp of another demographic change. In ...

Researchers in the South want people to report Monarch butterfly sightings this winter as more butterflies seem to skip the long migration to breeding grounds in Mexico. Millions of monarch ...

TUCSON, Ariz. (KVOA) — Within the last century, the bird population has dropped by nearly 3 million in just the United States and Canada alone. During that same time, the temperature on Earth has ...

Whether it’s political leaders like Donald Trump expressing concern about immigration, or individuals forced to leave their homes due to conflict, the movement of people across borders—and where they ...

Hummingbirds are reaching the U.S.'s northernmost states as the small but mighty birds wrap up their spring migration season. Known for their impossibly fast wings and long, slender beaks, ...