On Feb. 22, 2017, scientists announced the discovery of TRAPPIST-1, an alien solar system with at least seven Earth-sized planets. See pictures of the discovery here. Skip to main content ...

Each and every planet—and one dwarf planet—in our solar system, represented with the single best image ever taken of it. Say hello to our neighbors. By Dan Nosowitz ...

1. Make way for the king of the solar system! New Webb images of Jupiter highlight the planet's features, including its turbulent Great Red Spot (shown in white here), in amazing detail.

Learn about the different planets in our Solar System. Find out their size, temperature and distance from the Sun in this Scotland Second Level Science article.

Our solar system is a collection of the Sun, planets, over 100 moons, comets, asteroids, and dwarf planets like Pluto, is classified into three belts: inner, outer, and the Kuiper Belt.

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s ...

What Earth looks like from different planets in the Solar System ... (ATS-1) carried a black-and-white weather camera which transmitted the first full-disk Earth images from geosynchronous orbit.