Dinosaurs ruled the Earth for over 160 million years, from the Triassic period around 230 million years ago through the Jurassic period and until the end of the Cretaceous period around 65 million years ago.

Orcas (killer whales), when traveling in groups, breathe in unison.

Television stations hung banners at the 2004 Democratic National Convention, including Al-Jazeera, until it was noticed and taken down.

A M A Z I N G   F A C T S