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

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations -- and suggests these faraway worlds formed in a manner never seen ...

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

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

Astronomers have identified an interstellar comet entering our solar system, sparking excitement and intrigue within the scientific community. This rare event offers a unique opportunity to study an ...

Premieres Wednesdays, Oct. 2 - 30, 2024 at 9 p.m. on KPBS TV / PBS app New discoveries are proving it – our solar system is a weird place, filled with bizarre worlds shaped by extreme forces ...