At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

And in the past decade, more than 20 spacecraft have ventured into the deepest reaches of our solar system ... took this image of Jupiter's ring system. The Sun was behind the planet and Galileo ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

With a sun more than 4.5 billion years old, our solar system ... planets b and c are the only such planets well known to ...

But do other planets have seasonal patterns, too? Indeed, other planets, dwarf planets and moons in our solar system do have seasonal ... when Earth is on one side of the sun, the Northern ...

For years, astronomers have been searching for a ninth planet in our solar ... degrees from the plane of the solar system, meaning it would actually orbit the Sun in the opposite direction than ...

2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has ...