migration

The annual butterfly migration is underway. For decades scientists have relied on volunteers to tag butterflies to provide details about their journey.

After being threatened by the Taliban, filmmaker Hassan Fazili was forced to flee Afghanistan. Like thousands of others, he and his family set out for…

Climate change has brought more intense storms and worsening “king tides” that flood through homes and gardens in the low-lying Pacific island nation of…

Climate change is already having big effects on southern Asia.Deadly heat waves like one that killed 3,500 people in India and Pakistan in 2015 are…

Back in 2015, the immigration crisis in Europe was in headlines all over the world. Since then the numbers of people crossing the by sea to the continent…

Hundreds of desperate refugees from North Africa drowned this month after their overcrowded boats sank in the Mediterranean. This past weekend there was…

Ecologists in Kansas and Missouri say extreme temperatures are killing a large number of butterflies and could hurt their southern migration next…

Migratory dragonflies are leaving Missouri and Illinois for areas further south. It’s part of these great travelers' annual migration pattern.The…

The magnitude of China’s urban migration can be hard to fathom when you hear the numbers.In the past 30 years, the country’s urban population has more…