In our five-day comprehensive unit plan about monkeys, we cover their omnivorous diet, tropical habitats, unique physical ...

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after ...

This image provided by Prof. Per Erik Ahlberg shows an artist's illustration of the possible appearance of a reptile-like creature that lived around 350 million years ago in what's now Australia.