National Zoo will celebrate World Cassowary Day on Saturday by putting on show brothers Irwin and Dundee. Cassowaries are huge flightless birds, considered dinosaur kin.

The mystery of the cassowary's casque has been solved, but scientists have more questions that have yet to be answered.

The southern cassowary, a flightless bird native to rainforests, is a living link to prehistoric times, possessing powerful ...

It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, ...

His expeditions, including many to the Gobi Desert in Mongolia, yielded rare findings and led to exhibitions at the American Museum of Natural History. By Richard Sandomir Mark Norell, a ...

A cassowary chick has been born at the Paignton Zoo in the United Kingdom for the first time in 21 years. Getty Images/iStockphoto A rare cassowary chick has been born in the United Kingdom. It the ...

A rare cassowary chick has been born in the United Kingdom. It the first to be born at the Paignton Zoo in 21 years, according to an Aug. 29 Facebook post. “This is the only cassowary chick born in ...

If you’re a cat fan (and if you’re not, we can no longer be pals), then you can probably agree that there’s pretty much nothing cuter than tiny, fluffy, adorable Maine Coon kittens, which are some of ...

Dating dinosaur eggs is difficult: available methods are limited and prone to errors because measurement proxies – such as volcanic rocks or crystals – may have changed between egg laying and dating ...