Fossils have richer stories to tell - about the lub-dub of dinosaur life - than we have been willing to listen to.

When looking at the evidence of feeding on large prey, you can see every size tooth from hatchling to adult in one spot. The babies may have been fed in the nest until they were full grown, like in eagles and hawks.

The marvelous thing about 'Doctor Who' is that it tells stories that no one else can tell.

One researcher just determined that African and Indian elephants make each other sick. When a new animal or plant is introduced to a habitat bad things happen. The biggest danger to native wildlife is foreign wildlife.

Often extinctions in the ocean occur at the same time as those on land. Then again, the ice age extinctions lost many big animals, but not many sea faring ones.

Stegosaurus was common only on well drained, dry soil.