Astronomers studying a dim red dwarf star called LHS 1903 have found a four-planet system with an architecture that defies ...

Astronomers have long believed that planetary systems follow a familiar blueprint. Small rocky planets ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

Is it a two-for-sun deal. Astronomers were blown away after discovering a bizarre exoplanet that orbits twin stars closer than any ever seen before in a binary star system, per a starry study ...

The discovery overturns traditional models that predicted gas giants in outer orbits and suggests planets can form in gas-poor environments.

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 ...

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 ...