The Kuiper Belt is a band on the outer edge of the Solar System made up of space’s odds and ends: comets, dwarf planets, and ...

Our Solar System is in motion and cruises at about 200 kilometres per second relative to the center of the Milky Way.

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

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...