Historian Rutger Bregman argues in a new book that people should aspire to “moral ambition” — a mix of idealism and ruthless pragmatism — to make the world a better place.

Taily Terena is a young Indigenous activist from Brazil of the Xané (Terena) ethnicity whose work centers on human rights, ...

When we think about sharks, most of us instantly think of the ocean. However, there are some shark species live in freshwater ...