A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

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 ...

The spacecraft is en route to a metal-rich asteroid. Hopefully, its backup propellant line can get it there by August 2029.

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

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, ...

WASHINGTON: A group of scientists has found a strange new object about 435 miles wide at the far edge of the solar system. It ...

The fall of the Aguas Zarcas meteorite was no ordinary event. It came from a nearly vertical angle, about 81 degrees steep, ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...