Add Yahoo as a preferred source to see more of our stories on Google. Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster than scientists thought.

Wrinkles on the surface are clues as to the planet’s previous size ...

CAPE CANAVERAL, Fla. (AP) — A new study shows that little, wrinkly Mercury may be shrinking faster than expected, the cosmos’ version of a grape shriveling into a raisin under the sun. Scientists from ...

The planet Mercury in October 2008. Researchers say the planet might have shrunk by as much as 14.5 miles — nearly a percent off of its current size — since its formation 4.5 billion years ago.