The elusive planet Mercury reaches its furthest point from the sun on Friday (Jan. 12), with this separation allowing skywatchers a chance to spot the tiny planet. The fact that Mercury is the closest ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet. While we have sent two spacecraft to Mercury – Mariner 10 and MESSENGER – ...

While Mercury, the wily planet of communication, doesn’t station retrograde until November 9th, we’re locked and loaded to experience a lovely little preview of its hijinks. We’re talking shadows, ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye all February long — with two other planets also detectable for skywatchers ...

NASA's MESSENGER mission has revealed that Mercury, the solar system's tiniest planet and the closest to the sun, hides a big secret. When you purchase through links on our site, we may earn an ...

Mercury is an odd little planet. The closest world to the Sun has some extreme surface structures, steep hills and cliffs, which have long been suspected to be the effect of the planet’s interior ...

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 about ...

Planetary scientists have long known that Mercury has been shrinking for billions of years. Despite being the closest planet to the Sun, its interior has been cooling down as internal heat leaks away.

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system's smallest planet and the closest to the sun, according to new research. The ...