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 ...

Of the incredible creatures that once dominated the Earth, it is the larger, terrestrial animals that get the ... straight ...

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 ...

Researchers said the bird, known as the alala, went extinct in the wild in 2002 ... for food and their responses to predators. The animals' release is a result of continuous efforts from several ...

(Both Time and The New Yorker were given exclusive access to the animals ahead of the announcement ... it has been hypothesized that the dire wolf went extinct during the late Pleistocene ...

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 ...