Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless asteroids and comets, that are gravitationally bound to the Sun.

Thanks to their incredible diversity, from smoldering rocky worlds to gargantuan gas giants, the solar system’s planets are still some of the most compelling subjects of study in the entire cosmos.

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

These massive stars, located nearby, would have put the early Solar System at risk of a powerful supernova. This risk is more than just hypothetical; a research team at the National Astronomical ...

Is this all we’ll ever accomplish beyond the Solar System, a scattering of wayward probes sent out into the infinite night? For decades, scientists, engineers, and dreamers have worked to ...

If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers believe it ...