The mass extinction that killed off dinosaurs might have been what grounded the ancestors of today's large flightless birds like the ostrich. As the Age of Dinosaurs came to an end, some flying birds ...

It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, Australian emus and cassowaries, New Zealand kiwis and South American rheas ...

Ostrich and emu ancestors could fly: study It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, Australian emus and cassowaries, ...

With travel ramping up over the holiday season, we thought it wise to bring you a taste of Ostrich. The Ostrich pillow, to be exact. It’s a clever little pillow that slips over your head and covers ...

PARIS — How did the ostrich cross the ocean? It may sound like a joke, but scientists have long been puzzled by how the family of birds that includes African ostriches, Australian emus and cassowaries ...

Ostriches may be ground-bound, but their ancestors could take flight, a new study says The fearsome Australian cassowary, which cannot fly but is sometimes called "the world's most dangerous bird" ...