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

Uranus has not had a whole lot of love from NASA and has been explored by a probe only once. Voyager 2 sent back spectacular ...

Planetary alignments have always been a fascinating subject, both for scientists and astrology enthusiasts alike. The idea ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

8 planets orbit the Sun. The closest are the four rocky planets, the remaining gas planets inhabit deeper space. The solar system is also home to many other cosmic bodies including asteroids ...

GJ 1214 b, nicknamed Enaiposha, is a planet discovered 47 light-years away that has been reclassified from a mini-Neptune to a "super-Venus" due to its atmosphere rich in carbon dioxide and aerosols.

Earth has a nearly circular orbit, but some planets outside our solar system, called exoplanets, have very elliptical orbits. UCLA astrophysicists have now measured the shape of the orbits of ...

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

This showed him the planet was in fact in orbit around the Sun ... they are found further out in our solar system.” Given this distance and their pattern of movement, it’s easy to see how ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system ... smaller than Neptune -- that orbit close to their stars.