Canada wants to euthanize 400 birds exposed to the avian flu, prompting RFK Jr. and other U.S. officials to join the fight to ...

A study examining fossilized droppings reveals the kākāpō has faced a decline in the diversity of its parasites—and that ...

The dodo bird vanished more than 300 years ago, but its story still sparks curiosity. Native to just one island and wiped out ...

Bite marks on a fossilized leg bone found in South America suggest a crocodile-like creature attacked a massive, meat-eating ...

The endangered kakapo is a flightless bird native to New Zealand. Its population is growing, but its parasites have dwindled.

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was ...

A company that claims to have resurrected the dire wolf has unveiled plans to bring back the moa, a long-extinct bird that ...

Colossal Biosciences has announced a partnership to resurrect giant flightless birds called moa. But the company's recent ...

US firm Colossal plans to revive the extinct giant moa within 10 years. The flightless bird once grew up to 3.6 meters tall.

Many birds fly, but some, like penguins and ostriches, don't, revealing an evolutionary twist. Flightless birds adapted to ...

Scientists have uncovered the incredible journey of the Inaccessible Island rail, the world's smallest flightless bird, ...

Lord of the Rings director Peter Jackson is helping fund a groundbreaking, and controversial, attempt to revive the extinct giant moa, a towering flightless bird that once roamed New Zealand.