It is estimated that throughout the Earth's 4.5 billion-year existence, over 99% of the species inhabiting it have gone extinct. Many of these species died due to mass extinction events. Life on Earth ...

In biology and palaeontology (the study of extinct organisms) there are a few ways to estimate the age of an animal’s skeleton. One is the extent of fusion of sutures in the skeleton – how much the ...

So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of ...

Athletic, crocodile-like reptiles with bladed teeth made their last stand in the Caribbean as recently as 4.5 million years ago. New fossils unearthed in the Dominican Republic suggest the reptile ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The National Museum of Natural ...

Krystal Tolley receives funding from the National Research Foundation of South Africa. What happens when a species has not been seen by anyone for decades? Environmentalists think of these as “lost ...