Jupiter, the largest planet in our solar system, is so heavy that the shared center of mass between it and the Sun sits just ...

A new study suggests that a massive structure beyond Jupiter trapped the cosmic dust needed to form the first building blocks ...

The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

Add Yahoo as a preferred source to see more of our stories on Google. What type of star it is: A yellow dwarf star The sun is the star at the center of our solar system. It's the largest, brightest ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

This small, unassuming mineral may be older than Earth itself. Krotite reminds us of the vast timescales and surprising ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe. And one day, the solar system will cease to ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with atmosphere, they have a wide range of characteristics distinguishing them. But if ...

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...