Almost everything you could want to know about the closest planet to the Sun, Mercury. Real HD photos and videos taken by the ...

Mercury, the closest planet to the Sun, is a world of extremes and unanswered questions. Though it resembles the Moon with ...

Mercury is the closest planet to the sun and the smallest planet in our solar system. With a diameter of about 3,032 miles (4,880 kilometers), Mercury is less than half the size of Earth, which is ...

With its massive iron core and ultrathin crust, Mercury is something of an oddball in the solar system. Early in its life, at least one collision stripped the planet of its outer layers, allowing ...

Mercury has that incredible density thanks to its large core, which stretches to roughly 85% of the entire planet's radius. For comparison, Earth's core reaches only about halfway.

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Mercury Is in Retrograde, but What's Weirder Is How Much This Planet Stumps Scientists Published Apr 06, 2018 at 1:46 PM EDT Updated Apr 06, 2018 at 3:39 PM EDT ...

That’s sort of what’s going on here. Indeed, they found that Mercury was the planet closest to the Earth for the most time, on average—and to every other Solar System planet.

A new model of the planets' orbit shuffles things around, calculating that Earth's closest neighbor, on average, is actually Mercury. In fact, it says that every other planet in the solar system's ...

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 ...

Mercury, Venus and Jupiter will meet in the sky on February 13. After that, another triple conjunction won't occur until April 2026, when Mercury, Mars and Saturn meet, according to EarthSky.