AZ Animals on MSN

New interactive avian tree of life lets you trace 11,000 bird species back through time

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...
What If on MSN

The entire history of human evolution explained

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...