As North America moves into spring, hummingbirds are migrating north. Hummingbird Central uses crowdsourced sightings to show their real-time path.

Scientists have rolled out a map ... of the United States could be swallowed by the sea in just a decade. Swaths of the country may become unhabitable in the coming years because of climate ...

These states vary in climate and cover ... Madison who studies net migration patterns going back decades. “Migration is always happening, especially in the United States,” she says.

While it will still be awhile before it's time to put hummingbird feeder out in RI, in other parts of the country it's time.

Climate change is eroding that same foundation by "disrupting established patterns of migration," triggering ... and regional economies across the United States. Our findings highlight the urgent ...

While they're tiny - they weigh less than a nickel – they make a huge annual migration every year, from the United States in the summer ... reported sightings to map their progress.