One week ago, the MESSENGER spacecraft transmitted to Earth the first high-resolution image of Mercury by a spacecraft in over 30 years since the three Mercury flybys of Mariner 10 in 1974 and 1975.

Data from the second MESSENGER flyby of Mercury is coming in; NASA held a telephone press conference today to release some new, interesting stuff. Although scientifically it’s just a tease, my ...

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 ...

Mercury is a planet of extremes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The planet is named after the Roman deity Mercury, the speedy ...

Analyses of data from the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft’s second flyby of Mercury in October 2008 show that the planet’s atmosphere, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If there is one thing that has bothered me over my 50-some years as an amateur astronomer, it is ...

Planet-hunters are in luck this month, as multiple “wandering stars” take the stage for a beautiful celestial ballet. Mercury, the innermost planet, even promises to put on a spectacular evening ...