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

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

"We were quite surprised," Dones continued. "Spirals are seen in Saturn's rings, disks around young stars and galaxies. The ...

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

NASA’s Pleiades supercomputer has provided fresh insights into the Oort cloud – ​​a vast, theoretical spherical shell of icy objects that surrounds our solar system. For a long time, the Oort cloud’s ...

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.

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

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

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

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

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