Sadly, a number of animals have also not been spotted in several years and are now presumed extinct. In order to move forward in conservation efforts, it's important to take a look back on some of ...

All these kangaroos lived alongside an array of other animals. "We had this marsupial ... most of these large animal species went extinct, including all of the short-faced kangaroos and some ...

Amid a biodiversity crisis in which 1 million species may go extinct globally, humanity will increasingly face fraught questions: To restore ecosystems, should society replace animals that disappear?

Scientists estimate that over 5 billion plants and animals have vanished from Earth ... evolutionary biology at UC Santa Cruz. “They went extinct within just a few decades of people first ...

This little guy was the first mammal officially declared extinct due to climate change. Its home was swallowed by the ocean, wiping out its food and shelter. Scientists tried to save it ...