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

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

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

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

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...

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

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together through the ...

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...

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

The discovery of the dwarf galaxy Andromeda XXXV—located roughly 3 million light-years away and the smallest yet found in the ...

Scientists believe that this spiral structure may be shaped by forces beyond our solar system, particularly the gravitational ...

The farthest spacecraft from Earth are shutting off instruments in interstellar space, but their mission in interstellar ...