What they found was surprising: the inner Oort Cloud seems to form a spiral disk, stretching about 15,000 astronomical units (AU) long. 1 AU is the distance between the Sun and the Earth (149.4 ...

New research suggests the Oort Cloud may have a spiral structure like a mini galaxy. Supercomputer models reveal its ...

Seven planets grace the sky at the end of February in what’s known as a planetary parade, though some will be difficult to spot ...

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye.

A mysterious cloud of space rock and debris in the outer reaches of our solar system might resemble a miniature galaxy, a new ...

And the next celestial event is a 7-strong planet parade which, depending on your location, will be visible from dusk today.

The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.

Stretching between 2,000 and 5,000 astronomical units (AU) from the Sun, the Oort Cloud is thought to be the birthplace of ...

An international research team led by the University of Vienna has discovered that the Solar System traversed the Orion ...

Fig.1: Artistic representation of the Milky Way. The position of the Solar System is pointed by a white row. Our sun and its ...

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's closer to the Sun, which means it's more strongly bound by the Sun's ...