Carbon monoxide is often called the “silent killer,” because the invisible and odorless gas can be deadly. Even just a few minutes of breathing in fumes that contain carbon monoxide (CO ...

The culprit? A gas leak, likely from a malfunctioning appliance. Carbon monoxide, often referred to as the “silent killer,” is odorless, tasteless, and invisible, making it particularly dangerous.

It's named Eos, after the Greek goddess of the dawn, and contains approximately 3,400 solar masses worth of gas.

The scientists have named the molecular hydrogen cloud “Eos,” after the Greek goddess of mythology who is the personification ...