The Universe is vast and largely made up of empty space, but cosmic collisions still happen pretty often.

A new study of NGC 2024 and the Orion Nebula Cluster show stars on the outskirts of these clusters are older than those in the middle.

Four images of galaxies that have been made using data from both amateur and professional telescopes.

This is a gas bubble inside a previously blown bubble, or nebula, like you can see in this image.

When astronomers want to study young stars, this cluster - called Cygnus OB2 - is one of the first places they look.

This space photograph shows a supernova remnant that is sweeping up a remarkable amount of material.

Erosion is what happens when some sort of force wears down an object.

When a massive star runs out fuel, it collapses and explodes as a supernova.

Astronomers have directly measured the spin of a supermassive black hole in a quasar that is located 6 billion light years away.

Our galaxy, the Milky Way, is more than just a giant barred spiral containing hundreds of billions of stars.