How big would our Solar System be if the Sun was an eleven-inch football/soccer ball? Alex and Jonathan set out to find the answer to this question, and visit each of the planets and planetoids ...

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...

This happens because the planets in our solar system essentially orbit the sun along the same line across a flat, disc-shaped plane in the sky known as the ecliptic, according to cosmic news site ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held 2,000 Earths. Jupiter is our system's oldest planet, forming from the ...

Our Solar System is very stable. Planets, dwarf planets, asteroids, and comets go forth in their orbit without trouble. But it won't be like this forever. The future of the Solar System will have ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...