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

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

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 ...

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

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 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 ...

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

Scientists studying 50 years of solar data warn Earth may be entering a heightened risk period for rare “superflares” capable ...