Astronomers studying a dim red dwarf star called LHS 1903 have found a four-planet system with an architecture that defies the standard rules of how rocky worlds take shape. The outermost planet in ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered a brand-new type of planet outside our solar system that, even in its infancy, is already bigger than ...

For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary family. I’m not talking about reviving Pluto’s status, but about a potential ...

Add Yahoo as a preferred source to see more of our stories on Google. The unexpected detection of a new planet has been hailed as a “remarkable discovery” by Irish astronomers who were involved in its ...

Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars. The discoveries are the first results from OASIS (Observing Accelerators ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence of ...

Astronomers have discovered a brand-new type of planet outside our solar system that, even in its infancy, is already bigger than Jupiter. What's more, the find represents the first clear detection of ...