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

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

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

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

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

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

Astronomers believe they've discovered a spiral structure inside the Oort cloud that surrounds our solar system.

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...