Five bizarre fossil discoveries that got scientists excited

From trilobites to tyrannosaurs, most fossils are of creatures with hard shells or bones. These materials don't easily biodegrade and sediment has time to build up around them and turn them into a record of the creature that ...

Oldest lizard embryos discovered in fossil eggs

Tiny fossil eggs long thought to harbour the embryos of dinosaurs or primitive birds, in fact contained unhatched baby lizards—the oldest ever found, scientists said Wednesday.

What was the impact that killed the dinosaurs?

What suddenly made the dinosaurs disappear 65 million or 66 million years ago? Whatever it was, all indications show that it was a massive extinction event. The fossil record not only shows dinosaurs disappearing, but also ...

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