Dinosaur eggs are turning out to be some of the most revealing fossils in modern paleontology, and a wave of discoveries in ...

For millions of years, the land we now call the United States has been home to towering prehistoric beasts, strange sea creatures, and lush ancient forests that no longer exist. Evidence of this ...

Rocks have been found to hold many traces of Earth's ancient history, but usually geologists have to seek them out. Every ...