New research finds lions that have just yawned together are more likely to move in unison. Tambako The Jaguar via Flickr under CC BY-ND 2.0 Yawning is contagious for animals as well as humans, but ...

Watch a group of lions yawn, and it may seem like nothing more than big, lazy cats acting sleepy, but new research suggests that these yawns may be subtly communicating some important social cues.

Researchers believe the yawning robot may have triggered some biological mechanism in the chimps that they associated with sleep. Image: Popular Science composite ...

Lions find yawning contagious in a similar way to humans, a team of researchers has found. The phenomenon may be a way of helping the big cats to stay vigilant, scientists believe. The team, from the ...

Prince Louis stole the show … again. The young Prince, who recently turned 5, appeared slightly bored by the fuss being made over his grandfather on Saturday, repeatedly yawning, fidgeting in his seat ...

Fans seemed to appreciate Prince Louis, 5, keeping it real and yawning throughout King Charles III’s coronation in Westminster Abbey on Saturday. “Louis yawning. Iconic. #coronation,” one user tweeted ...

Find yourself yawning a lot? Do you need that third or fourth cup of coffee to make it through the afternoon at work? Such signs of sleepiness may be a red flag of a serious sleep deficit that could ...