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 ...

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 ...

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 ...

And in 2016, astronomers Konstantin Batygin and Mike Brown noticed that some of them have highly unusual orbits. While most objects in our solar system orbit the same plane, and in the same ...

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

Astronomers believe that our solar system may still hold surprises ... and Chadwick Trujillo noticed unusual patterns in the orbits of several objects beyond Neptune. These icy bodies in the ...

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 ...