The solar system is our cosmic neighborhood, made up of the sun and everything that orbits it — planets, moons, asteroids, comets, and even dust and gas. The order of the planets in the solar ...

When most of us were growing up, the solar system seemed reliable and well behaved. “There were nine planets orbiting in well-determined orbits like clockwork, forever,” says Renu Malhotra of ...

Not only does this system ... solar system, including worlds so light they can be compared to marshmallows, worlds so hot they rain liquid metal or glass, and now, a world that weirdly orbits ...

Since the formation of the Solar System, the orbits of the planets have evolved and changed over time. While one of the most prominent ideas in the last few decades is planetary migrations and the ...

"This result suggests that in Jupiter-like orbits, most planetary systems may not mirror our solar system," said co-author Youn Kil Jung of the Korea Astronomy and Space Science Institute ...

Why doesn’t our solar system have sub-Neptune exoplanets and what can they teach us about planetary formation and evolution?

As well as planets and moons, the solar system also contains dwarf planets, which are too small to be considered planets. The best known of these is Pluto, an ice dwarf that orbits far from the ...