This water is raising a red flag. A canal in Argentina mysteriously turned bright red on Thursday, alarming residents who ...

Video from a suburb of Argentina’s capital of Buenos Aires shows a bright red waterway. The area has multiple tanneries that use chemicals to treat leather.

Don't be fooled, your blood is always red ... Skin around the vein looks more red than the vein itself. So, the color contrast enhances the veins' bluish hue. More from Video ...

A stream on the outskirts of Buenos Aires turned blood red on Thursday, causing anxiety among residents who blamed it on pollution.

Several factors can affect the color of a raw steak ... called oxymyoglobin and turns from darker purple to a brighter blood-red hue. It's why meat often looks dark when it's vacuum-packed ...

Bloody-belly comb jellies are distinguished by their red stomachs. The intriguing red color of this jelly serves multiple purposes related to its survival and adaptation. In the deep-sea ...

Myoglobin contains iron — that's what gives red meat its color. It's also what turns the water a "bloody" red. Red water or not, that's not stopping us from eating it. On average, Americans eat ...