If that involuntary action seems to yield a welcomed head-clearing effect, new science suggests that just might be true.

Sleepyheads take note — a UA researcher may have helped discover the cause behind yawning. Omar Eldakar, a postdoctoral fellow in the UA Center for Insect Science, and Andrew Gallup, a postdoctoral ...

It can be tough not to yawn when the guy next to you does—but apparently, it gets a little easier to avoid doing so as we get older. The finding comes from a study of contagious yawning among 328 ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. It’s ancient, unstoppable and strangely contagious. Here’s what science now knows about the ...