Leaf fossils show severe end-Cretaceous plant extinction in southern Argentina Date: January 5, 2021 Source: Penn State Summary: The asteroid impact 66 million years ago that ushered in a mass ...

Learn about the time period that took place 65 to 23 million years ago. 3 min read At the dawn of the Paleogene—the beginning of the Cenozoic era—dinosaurs, pterosaurs, and giant marine ...

The findings suggested that most early ants occupied forested habitats until around the middle-to-late Paleogene period (66 to 23 million years ago) to the early Neogene (23 million years ago to ...

By studying mammal remains from the end of the Cretaceous period (approximately 145 to 66 million years ago) and the early Paleogene period (66 to 23 million years ago) an international team of ...

The humble iguana may have have pulled off an epic migration millions of years ago, traveling from the coast of today’s Mexico to Fiji on rafts made of vegetation.

The new species, namedScyliorhinus weemsi after paleontologist Dr. Robert Weems, lived nearly 30 million years ago during theOligocene Epoch of the Paleogene Period.

The early Paleogene is a period of great interest to climate change scientists as carbon dioxide levels (around 1,000 ppmv) are similar to those predicted for the end of this century.

Unlike North America, where the Cretaceous-Paleogene (K-Pg) boundary is well known from many sites in the western United States, the fossil record from this period is fragmented across the ...