A fossil that was unearthed in South America has recently been identified, and it's a bird that could put fear into almost ...

Scientists have identified bones of the largest flying bird ever found -- an ancient soaring seabird with a wing span of at least 21 feet. Daniel Ksepka, curator of science at the Bruce Museum ...

Skeleton of the terror bird Titanis walleri at the Florida Museum of Natural History. (Amanda via Wikimedia Commons / Creative Commons Attribution 2.0 Generic) (CN ...

It would take years of study to confirm they had witnessed the largest die-off of any bird species ever recorded in the modern era, according to new research published in the journal Science on ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Millions of years ...

Laid by an elephant bird, the egg is 30.5 centimetres tall ... They reached 3 metres tall, making them the largest birds to have lived, and went extinct about 1000 years ago.

Prehistoric humans are under suspicion of wiping out the largest birds that ever lived after fossilised bones were discovered with telltale cut marks. According to scientists, it's evidence that ...