Beyond Pluto lies a collection of frozen worlds that challenge traditional ideas of what planets should be. This episode ...

What would it take for Jupiter to ignite and become our second sun? What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star? How different ...

Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

At a glance, Saturn’s rings appear calm and pristine when observed from afar. These rings are quite narrow and consist mainly ...

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

Astronomers found a strange planetary system 116 light-years away. It orbits a red dwarf star called LHS 1903. The planets are arranged in an unexpected order. The outermost planet is rocky, which ...

A small red dwarf star in the Milky Way has drawn attention after astronomers mapped four closely orbiting planets around it. The system, known as LHS.

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...

The system, observed using the European Space Agency's Cheops space telescope, consists of four planets — two rocky and two ...