The ice rests at Mercury's polar regions within deep craters where the sun never shines. Temperatures within the ice-filled craters never get warmer than approximately -170 °C. Researchers have ...

The National Aeronautics and Space Administration’s (Nasa) Messenger spacecraft has sent back its first visible-light images of water ice on Mercury, the tiny charbroiled planet that orbits ...

There's ice on Mercury, where daytime temperatures reach 400 degrees Celsius, or 750 degrees Fahrenheit. A new study says that the Vulcan heat on the planet closest to the sun likely helps make ...

New photos of Mercury's mysterious north pole reveal a glimpse of the permanently dark, frigid craters that may hold ice dozens of feet thick, even though Mercury is the closest planet to the sun.