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

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 ...

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.