What if extinct animals weren't really extinct? The methods used to declare a species extinct are not as fool proof as people might assume. From eyewitness accounts to last known photographs, there is ...

For the last 10,000 years, thousands of species have perished from the Holocene extinction event, which is still ongoing. Unfortunately, due to human activity, around 150-200 species become extinct ...

Reports that a rare Bolivian killifish thought to be extinct has been found alive would be a landmark moment for conservation biology, but based on the material available here, I cannot verify any of ...