Astronomers discover a fourth planet in Kepler-51, challenging planetary formation theories with new questions.
The discovery of Kepler-51e sheds light on the unusual transit patterns of the system's existing super-puff planets.
Astronomers using the James Webb Space Telescope report the discovery of a planet orbiting within the habitable zone of ...
How many exoplanets are in the cosmos and what can they tell us about planetary formation and evolution? This is what a ...
An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.