Brian Switek

The age of dinosaurs is a perennial favourite on any time traveller’s wishlist. Even though we’re technically still in it — birds carry on the legacy of Velociraptor and company — there’s an irresistible urge to visit the time when towering, scaly, feathery, toothy saurians stomped around the planet. Since backwards time travel is impossible

Tyrannosaurus rex is the greatest celebrity of all time. The 68–66 million-year-old carnivore is far older than any actor or musician, including Keith Richards, and yet is still must-have talent for Hollywood blockbusters, comics, museum displays and more. But all that fame comes at a cost. There seems to be as much mythology as science