Hold tight, the solar system is going to get bumpy in a few months. Mercury retrograde is on its way. Maybe you've heard people lament over the astrological phenomenon, blaming their woes on the ...

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a sun-scorched, metal-rich world with a puzzling magnetic field and lavas unlike ...

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, ...

Findings from a recently published paper by Smithsonian senior scientist Thomas R. Watters reveal that Mercury has managed to retain much more of its interior heat than previously thought. Images and ...

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

"It's really exciting to start seeing the link between the planet's surface and the plasma environment." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. There’ s six-planet parade on Monday, Aug. 25, just before ...