Sometimes, people have poop that's so dark it looks black. It might also have a sticky consistency, like that of tar. If your poop is black, it might be due to a change in your diet, a new ...

Perfumers covet a rare kind of whale poop known as ambergris ... In that time, the mass transforms from a sticky, dung-like substance into a hard, gray chunk. And this is what perfumers covet.

With so many diapers to change, the first few weeks and months with your baby may seem all about pee and poop. How do you know ... will be blackish-green and sticky , It's called meconium.

Medically reviewed by Kumkum S. Patel, MD Black poop, or melena, can happen when there is bleeding in the upper digestive ...