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

An international team has discovered a giant spiral disk galaxy in the early cosmos which is three times larger than similar galaxies of the same epoch.

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

gas and dust in the Milky Way that undulate up and down over millions of years. One of the closest and best-studied of these ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

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.

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

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

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