Tens of thousands of years ago, an enormous lizard roamed ancient Australia, and if it's anything like its descendants, we're ...

Some animals once believed extinct have stunned scientists by reappearing decades, centuries, or even millions of years after vanishing from the fossil record or disappearing from human observation.

A new study shows microplastic pollution severely threatens marine fish populations during their spawning season.

Robert Irwin has named the animal he believes is most at risk of going extinct in his lifetime, but says there is still ...