Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

At right, true color: the visible spectrum ... contains more than 70% of the total combined mass of all the planets in the Solar System. After the planets, the last scrum of remaining matter ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

Through observations, either with space telescopes or with ground-based equipment, we can find out how planets in our solar system and beyond are structured, what materials they are made of, whether ...

There will be a chance to see all the planets in the solar system in the night sky on Thursday. Five should be visible with the naked eye, while the two furthest away, Uranus and Neptune ...

(Credit: Artsiom P/Shutterstock) When studying the outer planets of our solar system, there’s no solid ground ... from the shrinking spot of Jupiter to the changing colors of Saturn. “Because OPAL now ...