What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

Add Yahoo as a preferred source to see more of our stories on Google. An image of Mercury made with Blender with data from NASA and the USGS (Wikideas1) It’s a world where the Sun stops in the sky at ...

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 ...

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 ...

"This makes these unlit craters some of the coldest places in the Solar System, despite Mercury being the closest planet to the Sun!" the ESA marveled. What's more, these craters could harbor frozen ...

BepiColombo is slowly uncovering more and more fun facts about Mercury as it continues its preliminary mission. One of the more interesting things found so far is a magnetic "chorus" that appears ...

A disaster Mercury retrograde is finally reaching its conclusion on March 20. Here's how to move forward swiftly.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A rare six-planet parade will stretch across the sky before ...

It’s a world where the Sun stops in the sky at noon and spins a small circle. Where you’d celebrate your annual birthday twice every day. In places, it’s as cold as the temperature of liquid air; ...