It's deflating even faster than we thought. The post The Planet Mercury Appears to Have Shrunken Drastically, “Like a Balloon ...

New estimates using the planet’s surface wrinkles show that our smallest planet is growing even smaller, at a faster clip ...

A new study reveals Mercury has lost up to 14.5 miles of its diameter since birth. That might not seem like much until you ...

The solar system's smallest planet has gotten smaller still.

The solar system’s smallest and innermost planet has been shrinking ever since its formation, but a new study shows that ...

Scientists have discovered that Mercury’s surface contains far less silicon dioxide than previously thought, pointing to an ...

Mercury has been shrinking since it formed in our solar system's early days. New evidence, though, suggests it used to be ...

Mercury’s rocks may hold a surprising clue about the planet’s scorching volcanic past.

Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster than scientists ...

New research shows Mercury is shrinking faster than thought due to its cooling core. Learn why this impacts other planets and ...