Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in perfect rhythm with Neptune. The object, named 2020 VN40, is part of a group ...

Scientists at the Massachusetts Institute of Technology and other universities are analyzing tiny particles from a distant asteroid to learn more about how the outer solar system was formed and shaped ...

WASHINGTON (Reuters) -The rings of Saturn are among the wonders of our solar system, with a diameter of roughly 175,000 miles (280,000 kilometers) as they encircle the giant planet. But smaller ...

The outer reaches of our Solar System continue to reveal a complex dynamical environment where the interplay of gravitational forces shapes the orbits of a myriad of distant bodies. Research in this ...

Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes ...