The Odra, or Croatia's "Amazon river" (as it is often referred to in the local sense), is one of Europe's most important bird ...

Dolphins are usually grey and quick in the open ocean. In rivers, though, they can be different. In the Amazon, there’s a ...

Scientists are perplexed by a strange new behaviour shown by the Amazon river dolphin of flipping belly-up to urinate with ...

In ancient Egypt, what was the Sphinx all about? – Effie, age 8, New Plymouth, New Zealand. One of the most mysterious and ...

Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.