Everything you could want to know about Mercury in our solar system. El Salvador's Bukele proposes prisoner swap with Venezuela for U.S. deportees Jim Nantz Had Such an Awesome Call of Justin ...

Mercury is by far the smallest planet in the solar system, with only around 5.5% of both the mass and volume of Earth.Despite that diminutiveness, Mercury manages to be the second-densest planet ...

Mercury, the smallest and least massive of the solar system's planets, also possesses a magnetosphere. However, its magnetosphere is typically only about 5% the size of Earth's.

While the video of Mercury’s transit across the Sun is breathtaking. The small planet even appears as a black disk silhouetted against the bright solar star that our solar system is centered around.

Hold tight, the solar system is going to get bumpy in a few months. Mercury retrograde is on its way. Maybe you've heard people lament over the astrological phenomenon, blaming their woes on the ...

The smallest planet in our solar system is getting smaller as heat escapes its core and fresh cracks open on its surface, new research finds. When you purchase through links on our site, we may ...

The BepiColombo spacecraft has sent back some incredibly detailed images of Mercury’s north pole. The snapshots were collected during its closest ever flyby of our solar system’s smallest ...