
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

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

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

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

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

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

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

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

19 September 2018
No one knows why dinosaurs never conquered the seas. But giant semi-aquatic predator Spinosaurus is revealing some teasing hints

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

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