T. rex may have been much heavier and longer than previously thought – study
![T. rex may have been much heavier and longer than previously thought – study](https://www.expressandstar.com/resizer/F4JKpJ9UzcU0VJUrYtr0FJv_iTg=/cloudfront-us-east-1.images.arcpublishing.com/mna/P33ZLET5YZDDHJZNSGUB7W6SNU.jpg)
The largest of the species may have weighed an estimated 15 tonnes, and measured at 15 metres long.
Tyrannosaurus rex might have been 70% heavier than previously thought and 25% longer, researchers suggest.