This region also features “wrinkle ridges” caused by the cooling and contraction of Mercury’s interior. These features provide a unique glimpse into the planet’s thermal evolution ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Anyone with any kind of planet-gazing past could tell ... Orbiter (MMO)—will together study Mercury’s origin and evolution, its interior structure, geology, composition and craters, its ...

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

It seems like it should be pretty easy to get to Mercury. The little rocky planet is so much closer to Earth than distant destinations like Jupiter, where we’ve successfully sent multiple ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Mercury retrograde is happening again. If you believe astrologers and ...

A person shines a flashlight into the night sky on Feb. 3, 2025. (Photo by Patrick Pleul/picture alliance via Getty Images) Social media has been abuzz about the ongoing alignment of planets, with ...