We may have yet to discover the fossil remains of some of the largest examples of the species.
It is now believed that some of the fossils once thought to be young T. rexes are actually adults of a separate species.
More than 200 people took part in the peculiar event while wearing inflatable tyrannosaurus rex costumes.
This figure might sound a lot, but it is actually quite a bit smaller than previous estimates had suggested.
Paleontologist Mark P. Witton delves into a recent study that could change how the tyrant lizard is portrayed.
The iconic predatory dinosaur may have been as much as 70% larger than fossil discoveries suggest.
New research suggests that what we know as T. rex might have actually been three distinct species of dinosaur.
An animatronic T. rex at the Natural History Museum in London is rocking a festive new look.
Even the fiercest dinosaurs may have wagged their tails back and forth when running and walking.
It's arguably the world's most famous dinosaur, but just how many of these notorious carnivores were there ?
New research has suggested that you might actually stand a chance of escaping a rampaging T. rex.
It turns out that Tyrannosaurus rex had a rather unique way of keeping itself from overheating.
A fossil T. rex named 'Scotty' has been confirmed to be the largest predatory dinosaur ever discovered.
A pint-sized relative of the tyrant lizard dating back 96 million years has been unearthed in North America.
Pound-for-pound, the Galapagos large ground finch has a bite 320 times stronger than Tyrannosaurus rex.
It turns out that the terrifying Tyrannosaurus rex was more than adept at turning quickly on the spot.
Researchers have revealed that the terrifying therapod had a tongue that was anchored to its mouth.
Palaeontologists have unearthed the well-preserved remains of a juvenile Tyrannosaurus rex in Montana.
One palaeontologist has suggested that Tyrannosaurus rex may have used its arms as vicious weapons.
Contrary to the plot of Jurassic Park, a rampaging Tyrannosaurus rex wouldn't actually move very fast.