Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

A - Clusters bright blue stars embedded within the galaxy, background galaxies seen much farther away, and photobombing by a couple bright foreground stars that are actually inside our Milky Way ...

Photos from the James Webb Space Telescope have revealed more than 40 stars within the gravitationally lensed "Dragon Arc" ...

The Sombrero galaxy looks entirely different in a new image by the James Webb Space Telescope. Instead of a Mexican hat, it appears more like an archery target.

The Sculptor galaxy is similar in many respects to our Milky Way. It is about the same size and mass, with a similar spiral ...