A Pennsylvania lawmaker says she will soon propose a bill that would change Pennsylvania’s state fossil. The Pennsylvania ...

Travel back in time and imagine the challenges and wonders of living in the Paleozoic Era. N.C. Supreme Court ... 500 Million-Year-Old Human Footprint Fossil Baffles Scientists Inside the B ...

Scientists discovered a 480-million-year-old phosphatic sponge in South China, making it the oldest known stromatoporoid and ...

The names Paleozoic, Mesozoic, and Cenozoic all describe the types of fossils that have been found relating to those periods. In the Mesozoic Era, there are fossils that represent both extinct ...

The longer we wait, the more difficult it is to reverse climate change. This is because climate change builds upon itself.

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

3 min read The Cambrian period, part of the Paleozoic era, produced the most intense ... which left a huge number of fossils. Trilobites had flattened, segmented, plated bodies that helped to ...

The names Paleozoic, Mesozoic, and Cenozoic all describe the types of fossils that have been found relating to those periods. In the Mesozoic Era, there are fossils that represent both extinct groups ...

Featured in the Hall of Paleontology are fossil remains from the Paleozoic, Mesozoic and Cenozoic ... animal species in the seas of the Cambrian era. It was not, however, until millions of years ...

Close up of a well preserved trilobite fossil. Image by wollertz via Depositphotos. Millions of years ago, during the Paleozoic Era, the area we now know as Arizona was not characterized by today’s ...