Mercury may be small, but it’s mighty, zipping around the Sun faster than any other planet. And despite being so close to the ...

Recent research indicates Mercury, the solar system's smallest planet, is shrinking due to its cooling interior. As Mercury's ...

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 ...

Mercury, the smallest planet in the solar system, has spent billions of years quietly getting even smaller. Since its fiery ...

A pair of still-attached probes just completed the closest flyby of the solar system’s least explored planet, capturing the first clear view of Mercury’s impact craters. BepiColombo pulled off ...

So maybe YOU have seen the planet Mercury. But most people have not, or at least they have not realized they’ve seen it. In an extremely unscientific email poll of fifteen of my friends and ...

Europe and Japan’s BepiColombo beamed back close-up images of the solar system’s innermost planet, flying through Mercury’s shadow to peer directly onto craters that are permanently hidden ...

This period where Mercury is farthest from the sun, called greatest elongation, happens twice every 116 days, or about every four months.