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View of the Field Museum of Natural History (FMNH), a large natural history museum containing the skeleton of the Tyrannosaur

Tyrannosaurus rex may actually be three separate species

1 March 2022

After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced


The biggest dinosaur ever may have been twice the size we thought

The biggest dinosaur ever may have been twice the size we thought

10 June 2020

A near-mythical titanosaur could have been twice as heavy as Patagotitan, the dinosaur previously thought to be the largest animal ever to walk the Earth


Some dinosaurs might have had fluorescent horns or feathers

Some dinosaurs might have had fluorescent horns or feathers

5 March 2020

We know some birds use fluorescent pigments to enhance the brightness of their feathers or beaks – and now it seems some dinosaurs might have done this too


Dinosaur tracks seem to show giant sauropods wading on two front legs

Dinosaur tracks seem to show giant sauropods wading on two front legs

25 January 2020

Sauropod dinosaurs grew to 25 metres or more in length and weighed several tonnes – but footprints in Texas seem to suggest they sometimes walked on just two legs


Artist's impression of two feathered oviraptor dinosaurs

Birds can thank attractive dinosaurs for their flight feathers

31 July 2019

Birds' feathers are so complicated that it was a mystery how they evolved. The answer might be a rare combination of natural and sexual selection


Description:The towering, battle-scarred skeleton of “Scotty,” the world’s largest Tyrannosaurus rex and the largest dinosaur skeleton ever found in Canada.

Huge T. rex fossil suggests many dinosaurs were bigger than we thought

25 March 2019

The discovery of a T. rex that was 400 kilograms heavier than any other found so far suggests we may have underestimated the size of this and other dinosaurs


A dinosaur reproduction

The very first dinosaurs probably evolved in South America

19 December 2018

Dinosaurs conquered every major landmass, making it difficult to work out where they originally came from – but two studies both conclude they were southerners


spinosaurus

The mystery of the dinosaur with crocodile jaws, bear claws and a sail

19 September 2018

No one knows why dinosaurs never conquered the seas. But giant semi-aquatic predator Spinosaurus is revealing some teasing hints


Dino head

Identity crisis: When is a dinosaur not a dinosaur?

2 May 2018

As though extinction weren't enough, dinosaurs have also had to deal with doubts over their very existence, and the legitimacy of some of our favourite species


Dimetrodon

We’ve drawn iconic sail-wearing Dimetrodon wrong for 100 years

13 October 2017

Dimetrodon, one of the most recognisable of the pre-dinosaur predators, might not actually have crawled across the ground as it’s usually depicted


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