Scientists have discovered an enormous species of duck-billed dinosaur that lived in what is now New Mexico about 75 million ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the ...

Rare attacks helped brand the cassowary as deadly, but habitat loss and human activity now pose a far greater threat to the ...

The moa were a group of giant flightless birds that lived in New Zealand. They disappeared from Earth about 600 years ago, ...

Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...

The bioscience startup has attracted billions in investment – and a flurry of criticism, but founder tells the Guardian plans to bring back the woolly mammoth will not be derailed ...