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

So, only stars that are close to the black hole orbit it; the vast majority of stars in a galaxy orbit the center of mass of the galaxy as a whole, which is also in the center but is not actually ...

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

The "Galaxy of Horrors" is an array of vintage-style horror movie-themed posters to show us what nightmares exist in space.

Watch the full episode: <a href=" are incredibly powerful. You can launch yourself into orbit, fly to the Moon and, soon ...

However there are some asteroids that orbit perpendicular to the plane that most of the planets lie in. Most, but not all of the stars in our galaxy orbit the center of the galaxy in the same ...

with the spiral galaxy eventually fading as a result. M90 is located 55 million light-years from Earth, but it's one of the very few galaxies getting closer to us. Its orbit through the Virgo ...

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 ...

The nearby galaxy Andromeda is speeding towards us at ... By then, the sun will have started to run out of fuel, leading it to expand to the orbit of Venus. That will make Earth about as hot ...