If you think a baby sloth's yawn sounds cute, just wait until you see the real thing. The Cincinnati Zoo recently posted a groundbreaking video of their newest baby sloth, and let's just say it has ...

Why do we yawn? Yawning is a universal gesture. Everyone yawns, from babies still in their mother's womb to the elderly. However, the exact reasons for this reflex are not well understood. Is it just ...

If you're looking for something to put a smile on your face, this video of an adorable baby goat will do it. @Terry Farm shared the video of this little cutie yawning that will make you swoon. But ...

Simply looking at the word can stimulate a yawn. I’m actually yawning while typing this piece. Interestingly, all vertebrates — a living being with a spinal column — yawn. Vertebrates include mammals, ...

Even fetuses yawn, a new study shows. During the second and third trimester, fetuses yawn frequently, and those yawns can be distinguished in four-dimensional ultrasounds from other mouth-opening ...