A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral arms ...

Astronomers have discovered that our solar system traveled through a dense, star-forming region near Orion about 14 million years ago. This cosmic journey may have altered Earth’s environment, ...

As per NASA, Oort Cloud is the most distant region in our solar system (Representational picture). A mysterious cloud of space rock and debris in the outer reaches of our solar system might ...

The Solar System's journey around the Milky Way's center ... environment encountered by the Sun while sailing through our Galaxy.

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 ...

This is the gravitational pull exerted by objects like stars and the monster black hole at the galaxy's centre on the Oort cloud's objects, but not on the solar system’s planets, which are ...

An international team has discovered a giant spiral disk galaxy in the early cosmos which is three times larger than similar ...