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 ...

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

Colossal Biosciences said it is working with famous "Lord of the Rings" director Sir Peter Jackson to bring the moa back to ...

Freed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 ...

Scientists in eastern China uncovered dinosaur eggs packed with giant crystals, revealing unusual fossilization processes and new clues about prehistoric development.

Burrowing bees generally prefer to make their nests in the open, but some 20,000 years ago their ancestors lived in a cave ...

A mini continent of 115 islands, the Seychelles archipelago is one of the world’s most beautiful tropical escapes. Immense granite boulders frame its famous sugar-white beaches, which are lapped by ...

In case you've faced some hurdles solving the clue, Extinct bird, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your ...