There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, temperature, and characteristics. The planets can be ...

Mercury is the smallest planet in our solar system. Explore its size, extreme temperatures, core structure, and comparison ...

Growing up, we learned there are nine planets: Mercury, close to the sun; Venus next; Earth, where we live; the red planet, Mars; the largest planet, Jupiter; Saturn ...

It is a question that feels like it should have a straightforward answer: how many planets are there in our solar system? Since Pluto was relegated back down to dwarf planet status, almost everyone ...

Stargazers are in for a treat this week as a planetary parade is set to take place - just a month after the last planetary spectacle. This latest planetary alignment or "planet parade" - set to take ...