Christianne Klein moved her family onto the Regent Seven Seas Cruises’ Explorer for two months. The ship became their home and the world became their classroom.

Different animals in different habitats follow the same hidden rules of behavior, revealing a surprising shared pattern across species.

Meet 33 innovative leaders who are using their voices and talents to tackle the planet’s most pressing issues. For decades, the Congo Basin was largely invisible to climate science. Now, a new ...

These museums hold so much history and art inside.