For decades, paleontologists have searched for the biggest dinosaur to ever walk the Earth, but the answer remains surprisingly uncertain. Massive species like Argentinosaurus and Patagotitan are ...

Big changes are coming to Chicago's Field Museum -- literally. As the iconic museum prepares to celebrate its 125th anniversary, officials announced plans to makeover its famed T. rex, Sue, and to ...

Deep in the sandstone cliffs of Western Australia’s remote Kimberley region, researchers have uncovered dinosaur footprints of unprecedented scale, some extending over 1.7 meters in length. Etched ...

TAMPA, Florida — About 150 million years ago, a giant, long-necked dinosaur stomped on the ground in the Midwestern US state of Wyoming and left behind what researchers said on Tuesday is the largest ...

Add Yahoo as a preferred source to see more of our stories on Google. A replica fossil of the titanosaur _Patagotitan_, one of the largest dinosaurs ever discovered. It would have weighed about 70 ...

(Raul Martin) Of all the dinosaur superlatives, “biggest dinosaur ever” is one of the most prized. The trouble is that we don’t really know who deserves the title. Sauropods like Apatosaurus (once ...

There is no uncontroversial explanation for their size, and scientists have numerous intriguing theories. The long necks of sauropods acted like giant rakes, constantly sweeping in food as they swung ...

The Iguanodon-like dinosaur had a covering of hollow spikes, according to new research. A new Chinese dinosaur shows that at ...