More than 1.6 million immigrants have lost their legal status in the first 11 months of President Trump's presidency. The staggering number includes people who applied for and were accepted to come to ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading the way. The magnetic compass is the last unknown sense in migrating animals.

We’re learning more about what they endure as they fly thousands of miles—and how humans and climate change are making it tougher for them. NORTHERN GANNETS Bass Rock, Scotland During breeding season, ...