There is no evidence that a photo collage including an image of two people with extremely long necks shows people with the longest necks in the world, contrary to posts on social media.

The Barbie pop culture craze has TikTokers wanting to make their necks longer. Here's what doctors want you to know about the 'Barbie Botox' trend.

Some elasmosaurs had really extreme proportions, with necks up to 20 feet (6 metres) long. These necks likely helped them to snap up quick-moving fish, but were also believed to make them slower.

Males with the longest necks would win these contests and, in turn, boost their reproductive success. That favorability, the scientists predicted, drove the evolution of long necks.

A rendering of Mamenchisaurus sinocanadorum dinosaurs with their 50-foot-long necks. Júlia d’Oliveira. A dinosaur that roamed East Asia 162 million years ago had an impressive, 50-foot-long ...