Neither will come within 480 kilometers of the planet's surface, making these the closest visuals of Mercury we'll see for a while. Nonetheless, our picture of the hellish world is about to become ...

Mercury has long puzzled scientists as it possesses many qualities that aren't common to other solar system planets. These ...

It is a world of extremes. Explore facts about our solar system's fastest planet. Mercury is slightly larger than our Moon - 15,329 kilometres around its equator. Its radius, the distance from the ...

Caption This is an image of Mercury's tail obtained from combining a full day of data from a camera aboard the STEREO-A spacecraft. The reflected sunlight off the planet's surface results in a ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star, one of our closest stellar neighbours.

So, even though Mercury is closer to the Sun, Venus is the hottest planet in the solar system. Mars has a hard, rocky surface with lots of iron in the soil which rusts, making the surface and ...

Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...