For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...

By Will Dunham WASHINGTON (Reuters) -Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, ...

But for Earth and the other planets that revolve around it, the sun is a powerful center of attention. It holds the solar system together; provides life-giving light, heat, and energy to Earth ...

The solar system is enveloped by a huge bubble called the heliosphere. Made of charged particles generated by the sun, the heliosphere shields planets and other objects from high-speed ...

In humanity’s millennia of staring at the stars and decades of launching probes to explore our universe, only two spacecraft carrying working instruments have ever managed to escape the bubble ...

This is especially true for a total solar eclipse, where the moon entirely obscures the sun, bringing nighttime ... on the subtle motions in our solar system. For example, eclipse records suggest ...