See photos of all shades of blue, from National Geographic.

Of the four main eye colors (brown, blue, green, and hazel), the rarest eye color is green. However, new classifications say another color is even rarer: gray. Brown is the most common worldwide, ...

Even in light tones and weak saturation, as long as they show color in the face-up position, they qualify as fancy colors. Red, green, and blue diamonds with medium to dark tones and moderate ...

Blue balls is a slang term for a medical condition called epididymal hypertension. This occurs when prolonged sexual arousal without ejaculation causes fluid to build up in the testicles. While blue ...

A good night’s sleep is crucial for our health, but do you know how much nap time your dog needs? Plus, which pooches can't stop snoring.

Based on Akita Shoten’s manga ... Combining slice-of-life and sports, Blue Box is one of the best anime of the fall season. Adapted from Kouji Miura’s manga of the same name by Telecom ...