The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

At about 6 light years away, Barnard's star is the nearest single star - one not orbiting with other stars - to our solar system ... any Earth-sized planets residing in the habitable zone but ...

In reality, there are hundreds, if not thousands, of natural satellites, in our cosmic ... to be considered planets in their own right. So exactly how many solar system moons have we found?

Researchers have discovered four Earth-like rocky planets orbiting Barnard’s Star using advanced telescopes. These planets ...