A new paper examining and simulating the formation of wide-orbit planets has put the chances of our own Solar System ...

Instead, some of it formed a disk that ultimately would condense into the planets and other, smaller members of the solar system. Here are the objects in our inner solar system. The Sun NASA’s ...

Are planets in the solar system that are closer to the Sun older than the ones further away? ... The inner planets, including Earth, took at least 100 million years, maybe more.

The planet Mercury is a weird one in our solar system. Here's how the giant planets made it so. (Image credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie) ...

Today, Ceres is the only dwarf planet located in the inner solar system and the largest object in the asteroid belt between Mars and Jupiter. Ceres is approximately 585 miles ...

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

And finally, the dwarf planets in the outer solar system are still growing slowly. Nailing down this sequence of events is of consequence for exoplanetary systems as well, which we can study with ...

Are planets in the solar system that are closer to the Sun older than the ones further away? ... The inner planets, including Earth, took at least 100 million years, maybe more.