xExtinct

Theropod dinosaurs such as the iconic Tyrannosaurus rex have long been portrayed with their teeth fully visible, similar to extant crocodilians. This pattern of portrayal...

For the first time in more than 50 years, a giant lacewing (Polystoechotes punctata) has been found in eastern North America. The discovery raises new...

Native to Australia and Papua New Guinea, the thylacine disappeared from the mainland and its northern neighbor more than 2,000 years ago. Some blame its...

Almost 100 years after its extinction, the Tasmanian tiger may live once again. Scientists want to resurrect the striped carnivorous marsupial, officially known as a...