DENVER - One mama zebra has certainly earned her stripes. Thursday night, an endangered Grevy's zebra was born. This is the mother's, Topaz, third foal. The baby is not named yet. There are three ...

The common zebra danio is a mundane, brownish, tropical freshwater fish commonly bought by folks just starting an aquarium. But a little genetic tweaking and bio-engineering is making the humble zebra ...