The geology, fossils and human stories of Florissant Fossil Beds National Monument are part of a common geologic heritage.

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Monument Rocks Chalk Pyramids in Kansas offer one of the best fossil hunting experiences in the Midwest. Explore ancient sea ...

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally ...

A new dinosaur species unearthed from the famed Morrison Formation in Colorado has been identified, according to a journal ...

Squids first appeared about 100 million years ago and quickly rose to become dominant predators in the ancient oceans, ...

CaveCreek4.jpg Penelope Donahue points out fossils in the limestone of the opening of Cave Creek Cave while on a June 8 hike in Santa Fe National Forest. The limestone, which is around 300 million ...

People have lived in Big Sky Country for a little more than 10,000 years. But living things creeped and crawled and swam ...

Fossils are so common in Pennsylvania Bluestone that Glass often points out prehistoric plant fragments and ancient tide ...

Cutting-edge digital fossil-mining reveals early squid evolution, diversification, and importance in marine ecosystems.

The biggest piece of Mars on Earth is going on sale and is set to become the most expensive space rock in the world. The 54lb ...

A groundbreaking study suggests that the famous Cambrian explosion—the dramatic burst of diverse animal life—might have actually started millions of years earlier than we thought. By analyzing ancient ...