Add Yahoo as a preferred source to see more of our stories on Google. Mercury, the closest planet to the sun, is only slightly larger than Earth's moon and is pockmarked with craters. The planet is ...

"This groundbreaking discovery of Mercurian glaciers extends our comprehension of the environmental parameters that could sustain life." When you purchase through links on our site, we may earn an ...

Add Yahoo as a preferred source to see more of our stories on Google. Starry Night Mercury will reach its highest point in the evening sky tonight (April 11), with the closest planet to the sun ...

Mercury occurs naturally in minerals but usually isn't released into the air, where it can become harmful to humans. It is released and enters the atmosphere when coal, garbage and other items are ...