Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

GJ 1214 b, nicknamed Enaiposha, is a planet discovered 47 light-years away that has been reclassified from a mini-Neptune to ...

Using the giant models and showing the scale of how giant and huge our solar system is really helps to hit home on that,” said lead teacher of Ohio and Kentucky’s Orbit Earth Expo, Pete Dunlap.

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.