Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to ...

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 ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. By studying computer models and observing the creation of other star ...

40 interesting facts you didn't know about the Sun Interesting facts about the universe that are not quite what we think Venus is the hottest planet in the solar system because it is covered by a ...

17, 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 ...

Saturn is the second-largest planet in the solar system. Saturn is the sixth planet from the sun and the second-largest planet in the solar system. Known for its stunning rings, Saturn is a gas ...

So far, astronomers have discovered 5,885 planets around other stars (known as exoplanets) in the Milky Way.Add in the eight in our solar system (not nine, sorry Pluto), and that gives us a total ...

Stars whizzing by our solar system could cause more havoc ... like these might be commonplace in other planetary systems. While the orbits of the planets were once thought to be as predictable ...