Temperatures within the ice-filled craters never get warmer than approximately -170 °C. Researchers have long-suspected ice to persist on Mercury, a hypothesis based on Earth-based radar studies of ...

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 ...

Ice, ice, baby — too cold, too cold. A recent spacecraft flyby over Mercury has experts believing that the planet closest to the sun has “frozen water” on its surface — and they’re ...

But despite the intense heat the planet faces as it rotates, areas that are permanently shaded, such as some polar craters, may hold deposits of ice. Intense changes in temperature from day to night ...

A spectacular line-up of seven planets will be visible under UK skies during peak conditions, experts say - and the rare ...

frigid craters that may hold ice dozens of feet thick, even though Mercury is the closest planet to the sun. Mercury's surface can reach a blistering 800 degrees Fahrenheit (430 degrees Celsius ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...