5 Stories

Meet What May Have Been the Largest Land Animal Ever

'Patagotitan mayorum' dino may have been as long as 7 elephants

(Newser) - One hundred million years ago, a sauropod that stretched more than 120 feet and weighed some 70 tons existed—perhaps the largest creature to ever roam the Earth. Over the past few years, researchers have excavated fossils from six young-adult dinosaurs from a Patagonian quarry, and New Scientist puts stats... More »

Bus-Sized Dino Comes With a Surprise

It suggests migration from South America, not Asia

(Newser) - An Australian sheep farmer has discovered a beast far bigger than he's ever handled—along with new clues as to how dinosaurs ended up Down Under. Paleontologists, together with dinosaur enthusiast/sheep farmer David Elliot, say they've uncovered a new monster of a dinosaur belonging to the titanosaur subgroup... More »

The Brontosaurus Really Did Exist, Study Says

Scientists say it's deserving of its own genus after all

(Newser) - It's big news, quite literally. New research indicates that the Brontosaurus really did exist, some 112 years after scientists declared the opposite was true. The backstory: Paleontologist Othniel Charles Marsh and his team discovered the fossils of two long-necked dinosaurs in the Western US in the 1870s and had... More »

Meet Dreadnoughtus, Biggest Dinosaur Yet

One in Patagonia weighed 65 tons, was still growing

(Newser) - Introducing the new king of the dinosaurs, at least in terms of size. Researchers in the Patagonia region of Argentina found a brute they've named Dreadnoughtus, and they're laying claim to it being the largest land animal whose size can be accurately measured—thanks mainly to the fact... More »

Scientists: We've Found Biggest Dinosaur Ever

Figure about 130 feet long and 85 tons

(Newser) - Even by dinosaur standards, a new one unearthed in Argentina is big. In fact, the paleontologists who found it say it's the biggest ever found and thus the biggest creature ever to have walked the earth, reports the BBC . Let us count the ways: Based on its ginormous thigh... More »

5 Stories