Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study ...

Mercury’s water ice has always looked like a contradiction. By day, the planet’s surface can soar to about 430 degrees ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing momentum from a launch starting point on Earth. It can take missions ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mercury is the smallest planet in the solar system. (Pluto used to hold the title, but it was ...

Despite being the closest planet to the Sun, Mercury hosts water ice at its poles. Now scientists may know how it got there.

The Solar System is the name given to the part of space that surrounds the Sun. Even though it is bigger than anything we can imagine, the Solar System is actually a very tiny part of the universe.