Large galaxies, like the Milky Way, attract smaller galaxies. Our solar system's cosmic neighborhood spans 100,000 ...

Stars orbit the centers of galaxies. But beyond that, things get a little harder to visualize. Do galaxies — and, ...

Researchers have made a groundbreaking discovery of a neutron star in the Milky Way that rotates at an astonishing 716 times ...

Every constellation has something within its borders worth tracking down, if you just look hard enough. Here are five to ...

Years ago, astronomers started working on a comprehensive map of the Milky Way by observing it from ... such as free-floating planets that don't orbit a star, or brown dwarfs, which are stars ...

Fastest Known Planetary System May Have Been Pushed by Our Galaxy’s Supermassive Black Hole ...

In addition, previous work has not fully accounted for the gravitational influence of nearby, smaller galaxies, which distinctly and radically affect the orbit of the Milky Way and Andromeda and ...

The International Space Station - a blazing symbol of humanity’s destiny to move out across the cosmos - must be saved from ...

These “satellites” are smaller galaxies in both mass and size that orbit a larger galaxy, usually called the host galaxy. Is our home galaxy, the Milky Way Galaxy, a special place? A team of ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

That is the Milky Way, our home galaxy, and you can see it best on dark, clear nights in the summer. It contains hundreds of billions of stars, including the sun that we orbit. It also has dust ...

Milky Way—The faint band of light stretching across ... Plutino—A subclass of Kuiper Belt objects which, like Pluto, orbit the sun twice during every three orbits of Neptune.