Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution by more than a million years, a study said. Ancient humans ...

Sima de los Huesos, or the "Pit of Bones," is a significant archaeological site located in the Atapuerca Mountains in northern Spain, near the town of Ibeas de Juarros, in the Burgos Province.

A woman born with a vascular malformation that makes one of her arms larger than the other is opening up about the condition on TikTok, saying it "doesn't stop me from doing anything" but that it does ...

Rotator cuff pain is felt at the front and side of your shoulder and upper arm. Pain in this area often indicates injured, inflamed, or worn-down tendons in the rotator cuff. The rotator cuff consists ...