Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

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

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Stargazers can get a rare glimpse of several planets aligning this week. The event is referred to as a planetary parade, and ...

A rare celestial event is set to occur Saturday night, as six planets will line up across the sky, but will we even see them?

Explore the story of our solar system’s formation, tracing how a vast cloud of gas and dust collapsed under gravity, collisions, and angular momentum to create a thin, spinning protolanetary disc.

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 the farthest edges of the solar system, strange objects follow paths that defy easy explanation. This story investigates ...

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

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

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 ...

Artist impression of the planetary system with four planets,around a small red star,called LHS1903. Caption: Astronomers have long thought solar systems follow a simple pattern similar to our own: ...