A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Finding a planet is one thing; proving it is a planet when it has no star is the part that usually breaks the story. A newly ...

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the core ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...