Some of the largest birds in history, called pelagornithids, arose a few million years after the mass extinction that killed off the dinosaurs and patrolled the oceans with giant wingspans for some 60 ...

A re-analysis of two fossils found in the 1980s has led to the discovery of an absolutely enormous Antarctic seabird. The modern wandering albatross, with its 11.5-foot (3.5-meter) wingspan, is damned ...

The fossil of a giant carnivorous bird has been found in Patagonia, marking the largest-known avian skull to have been found. The fearsome fossil of a 10-foot-tall ...

The birds were huge, with wingspans reaching up to 21 feet (6.4 meters). And the specific individuals that the fossils belong to may have been the biggest of them all, the study suggests. The 5-inch ...

The identification of part of the fossilized remains of a so-called "terror bird" species in South America has given researchers new insight into the apex predators ...

A Colombian rancher has discovered a fossilized bone that points to the existence of a giant terror bird species. The fossil, an enormous leg bone found in the ...

After the dinosaurs went extinct about 65 million years ago, “the largest bird that ever flew” hunted Earth’s oceans, according to University of California researchers. A study published in the ...

(Reuters) -A new analysis of a pigeon-sized Archaeopteryx fossil in the collection of the Field Museum in Chicago is revealing an array of previously unknown features of the earliest-known bird, ...

The fossil record isn't always kind to preserving the existence of smaller creatures. But this week, scientists announced the discovery of two previously unknown species in two separate studies ...

(CNN) — Three-toed fossil footprints that date back more than 210 million years were pressed into soft mud by bipedal reptiles with feet like a bird’s, a new analysis of the tracks has revealed. (CNN) ...

Around 45 million years ago, a 4.6 feet-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers report on the ...

In the icy wilderness of Antarctica, where glaciers now dominate the landscape, scientists have unearthed a fossil that ...