Almost everything you could want to know about the closest planet to the Sun, Mercury. Real HD photos and videos taken by the MESSENGER probe. We discuss the orbit, climate, geographical features ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...

Mercury is a mystery. It’s the smallest planet in our solar system, the closest to the Sun, and one of the most extreme. Its ...

The exoplanet orbits a sun-like star called HD 63433, which is located 73 light-years from Earth, at a proximity of around 12% the distance between Mercury and the sun.This is so close that the ...

NASA's MESSENGER spacecraft launched 20 years ago, on August 2, 2004, and although its mission ended in 2015, MESSENGER's observations of the Sun-scorched planet are still yielding new discoveries ...

COLUMBIA, S.C. (WIS) - Starting tomorrow and continuing through April 25th, the planet Mercury will be visible to the naked eye in our sky. Your best chance at catching Mercury’s twinkle will be ...