Unexplained right shoulder pain could be a sign of liver cancer due to referred pain from the liver, according to experts.

Add Yahoo as a preferred source to see more of our stories on Google. Doctors say that unintentional weight loss of more than 5% of body weight within six to 12 months is concerning. (Getty Images) ...

If you’ve ever noticed a sudden drop in weight after an illness, you’ve experienced unintentional weight loss fluctuation. But if you can’t point to something that may have caused the change on the ...

Have you ever taken a photo and seen a mysterious shadow lurking in the corner? People say that eyes can play tricks on us, but what about the times there's visual proof of those tricks? "Photoshop ...

You’ve spotted another unexplained purple blotch on your thigh. Or maybe you’ve noticed your shins look like a connect-the-dots puzzle of bruises in various healing stages. If you’re constantly ...

Historical observations from an observatory in Germany have now independently verified evidence for brief, mysterious flashes of light in the night sky, first picked up by an American astronomical ...

When reports look normal, and there doesn't seem to be a reason for it, which is frequent with unexplained reproductive ...

No one can say for certain what UFOs actually are, but a former director of the CIA said some of the recently unexplained phenomenon "might ... constitute a different form of life." Speaking on a ...