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

A distant gas giant the size of 10 Jupiter planets is now the first planet outside Earth's solar system to be mapped in three dimension, a team of astronomers says. What's more, the researchers are ...

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a discovery made on July 1 that’s led some astronomers to speculate that the ...

The planetary system, located 120 light-years away, features four worlds orbiting a red dwarf star and challenges classical formation schemes.

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as ...

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

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

CC0 Usage Conditions ApplyClick for more information. The Solar System is much more than a collection of planets, moons, comets, and asteroids. It is our home in the cosmos. The Solar System's only ...