Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in the Oort Cloud.

The Solar System continues to surprise us day after day and its presence in terms of dominance and expansion goes far beyond ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show "3 ...

It's a new type of three-body problem for astronomers, who used the Hubble Space Telescope to determine that twin asteroids ...

that enter the inner solar system from time to time and can take upwards of 30 million years to orbit the Sun; these differ from short-period comets, which originate in the Kuiper Belt — a region of ...

The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

using flybys of Jupiter and potentially visiting other planets and Kuiper belt objects in the outer solar system. Science goals include studying interplanetary dust, the interstellar medium ...

Longest commercial Moon mission using Firefly’s composites-intensive Blue Ghost lander completes more than 346 hours of ...