Ur-ine luck if you've always wondered why pee is yellow. Researchers identified the enzyme responsible for urine's color, unraveling a mystery that's puzzled scientists for years, according to a ...

In fact, URINE luck (alright, we won't do that again), because we have a helpful guide to answer all your burning questions. Well hopefully not burning. Seeing bright yellow in the toilet bowl may ...

For over 150 years, it has been a mystery why urine from the human body comes out as yellow. But a new study published Wednesday in the journal Nature Microbiology has cracked the yellow code.

Researchers have long known that a blood byproduct gives urine its yellow hue. But identifying the full chain of events that leads red blood cells to degrade into yellow urine has always proved ...

Scientists say they have finally discovered why urine is yellow, after the cause eluded researchers for over 150 years. Urobilin was found to be the cause of the yellow pigmentation in urine in ...