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 ...

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 years, but it keeps happening! Animals believed extinct that were found ...

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 ...