As the planet warms, scientists are seeing evidence of earlier springs and later autumns all over the world. Snow is melting sooner, plants are flowering earlier—and now, researchers find that birds ...

Issaquah Salmon Hatchery is a facility where salmon larvae hatch and travel to the ocean, then come back as adults to repeat ...

Every spring, migratory birds arrive in the continental United States from south and central America to breed. But precisely when they arrive each spring varies from year to year. In a NASA-led study ...