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

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

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 ...

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

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

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

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

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

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

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...