But it does tell us something important about our ever-changing view of the solar system. Here's everything you need to know about Mercury in retrograde — why it happens and what it really means ...

Mercury, the innermost planet in our solar system, is full of surprises! Join us for an in-depth look at its physical characteristics, surface features, and mysterious magnetic field, all captured in ...

It seems like it should be pretty easy to get to Mercury. The little rocky planet ... difficult to reach the innermost planet of our solar system—which makes it that much more impressive that ...

All of our solar system’s planets are lining up to parade ... An alignment including all of the planets except Mercury is taking place in mid-January. Uranus and Neptune, being the most distant ...

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.

The great planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and Saturn ...

But what’s it like on other planets? There are eight planets in our solar system. The closest one to the sun is Mercury, then it’s Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.