Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Embark on a thrilling journey through our Solar System, exploring the inner planets and space travel possibilities. We start ...

With a total volume little more than the Moon, it is the smallest planet in the Solar System and is situated the closest to the Sun. Mercury has no atmosphere to retain heat, meaning that the ...

An image of the planet Mercury created by NASA’s Messenger spacecraft in 2008. The planet is the smallest in our solar system and closest to the sun.

Mercury is the smallest planet in the solar system — it is only slightly larger than Earth's moon. Since it has no significant atmosphere to stop impacts, the planet is pockmarked with craters.

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 ...

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 ...

Here's a look at our solar system, from the scorching surface of Venus to the home of the largest volcano. When you purchase through links on our site, we may earn an affiliate commission. Here ...

Mercury turns out to be similar to the Moon at 0.119, while Venus’ albedo is by far the highest of all planetary bodies in the Solar System at 0.90. So not only does Mercury receive four times ...