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

Large and small planets are born from very different circumstances, according to data from NASA’s now-retired space telescope ...

Scientists found a bizarre new planet named Enaiposha, unlike any in our solar system. Learn why it's a mystery and how it’s ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a hypothetical giant planet that may lurk in the far ...

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

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...