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

Credit: ESA/Gaia. Our Solar System is in motion and cruises at about 200 kilometres per second relative to the center of the Milky Way. During its long journey, it has passed through different parts ...

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 ...

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

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 ...

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

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

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

The Solar System's journey around the Milky Way's center takes it through varying galactic environments. "Imagine it like a ship sailing through varying conditions at sea," explains Efrem Maconi ...

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 ...