Three people died from apparent carbon monoxide poisoning at Saguaro Lake in Mesa on Jan. 18, a poison that kills hundreds annually.

Carbon monoxide, often called the “silent killer,” has no taste, odor or color, yet prolonged inhalation of the invisible gas has been tied to the recent deaths of several American tourists ...

But carbon monoxide -- chemical symbol CO -- is also produced within our bodies through the normal activity of cells.

But carbon monoxide – chemical symbol CO – is also produced within our bodies through the normal activity of cells. Scientists have long wondered how organisms manage to control this internal ...

But carbon monoxide – chemical symbol CO – is also produced within our bodies through the normal activity of cells. Scientists have long wondered how organisms manage to control this internal carbon ...

Carbon monoxide, often called the “silent killer,” has no taste, odor or color, yet prolonged inhalation of the invisible gas has been linked to the recent deaths of several American tourists ...

Researchers have determined how electrocatalysts can convert carbon dioxide to carbon monoxide using water and electricity. The discovery can lead to the development of efficient electrocatalysts ...

Here's what to know about carbon monoxide poisoning. What happened to the three people who died? Three people were found dead on a boat at Saguaro Lake on Saturday, apparently due to carbon ...