With the discovery of an eighth planet, the Kepler-90 system is the first to tie with our solar system in number of planets.
This video explores the sizes of moons, planets, stars, and even beyond, including black holes and even galaxies, in our Universe.
Should we colonize Mars, or just build a planet from scratch?
Scientists believe that “diamond rain” exists in the interiors of ice giant planets like Uranus and Neptune.
Luke Skywalker’s home planet Tatooine in “Star Wars,” with two suns in its sky, looks like a parched, sandy desert world.
Astronomers have officially found a candidate for the 9th planet in our Solar System!
Take a look at this interesting animation on how fast a rocket must go, to leave every planet in our Solar system.
A lot of things happen on Earth, but there are still some things that just don’t ever happen here…
Take a planet-hopping excursion through the TRAPPIST-1 system. Only 40 light-year away.
7 Earth-sized planets have been discovered in a Star system 40 lights-years away.