Sixty-six million years ago, an asteroid impact triggered the extinction of non-avian dinosaurs. Yet, some early birds, ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

Flickr/Photos By Clark Wildlife enthusiasts, it’s time to go, go, go. In 2025, the San Diego Zoo offers a chance to see some ...