Hummingbirds are perhaps our best-loved birds, but there’s a lot that people don’t know about them. What kinds of ...

Mr. Cañas-Valle’s discovery, described in the journal Ornithology in November, may be the first documented example of ...

Globally, primary, and secondary school enrollment rates are getting closer to equal for girls and boys (92% male, 90% female). But while enrollment rates are similar – in fact, two-thirds of all ...