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

Big, flightless birds like the ostrich, the emu and the rhea are scattered around the Southern Hemisphere because their ancestors once flew around the world, a new study suggests. That's a ...

The group that resurrected the dire wolf species is looking to reestablish a giant bird with the backing of legendary filmmaker Peter Jackson.

You wouldn’t want to run afoul of this feathery giant. Scientists poring over bird bones estimate that an extinct Australian species weighed 1,000 pounds on average. That’s as much as a mid ...

Naish added, "Badger-sized mammals, big, diverse land-living crocs and, we now know, really big birds all lived alongside non-avian dinosaurs in parts of the Cretaceous world." ...

Talk about your big bird. At 1,000 pounds and over 10 feet tall, it was one of the largest birds that ever lived in Earth's history. And almost 2 million years ago, early Europeans lived alongside ...