A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

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

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

The unusual system of three “super puff” planets has at least one more planet, revealed by its gravitational tug on other planets An unusual planetary system with three known ultra-low density ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.