This Michigan shoreline looks peaceful today, but the rocks underfoot tell a much older story. Standing on 390-million-year-old Devonian limestone, they begin finding marine fossils from a time when ...

For the first 280 million years of animal life on Earth, slow-living creatures such as clam-like brachiopods and crinoid sea ...

Millions of years ago, scaly, lizard-like dinosaurs ruled the Earth. Over time, some of those dinosaurs sprouted feathers and took to the skies—and while their reptilian cousins died off, those ...