Animal migration is the long-distance relocation of individual animals. It usually involves a substantial number of individuals and is often in response to a seasonal or life-history cue. Biodiversity ...

For new discoveries, everyday mysteries, and the science behind the headlines, follow NPR's Short Wave podcast . The mood was tense one fall morning in a village in Spain. A conservation and research ...

UK net migration has dropped to the lowest level, outside of the Covid pandemic, since 2012. How does that sit alongside other key migration measures, including asylum applications, small boat ...

At the end of 2025, there were 41.6 million refugees globally, including refugees under UNHCR’s mandate, people in a refugee-like situation, other people in need of international protection and ...