Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Astronomers have located a rare exoplanet on the edge of the Milky Way.

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

The exoplanet — named 14 Herculis c, or 14 Her c for short — orbits a sunlike star about 60 light-years from Earth in the ...

When the Sun expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer regions.

In an exciting breakthrough in planetary science, a recent study has increased the likelihood of Planet Nine’s existence by ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

Sky-watchers will get a rare chance to see all the major planets in our solar system bunched together—with the moon joining the festivities, too, from June 17 to June 27. This rare alignment ...

U ranus is a very weird planet, and it turns out that there is a newly discovered oddity to add to its already extensive list. Astronomers used Hubble to study the interactions between the planet's ...

ESA has just released the first-ever images taken of the Sun's south pole, as seen this year by the Solar Orbiter spacecraft.