Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

David Leckrone's Hubble Ultra Deep Field image reveals a breathtaking view of deep space, filled with vivid colors and a rich blend of stars and cosmic elements. Robert O'Dell captured striking rays ...

In a scene straight out of science fiction, astronomers using NASA’s Hubble Space Telescope have spotted a massive black hole ...

This image shows a narrow galaxy curving around its companion, forming a rare cosmic arc. This image, captured by Hubble, reveals GAL-CLUS-022058s, nicknamed the "Molten Ring". This image shows the ...

Near the constellation Leo, JWST turned its gaze slightly aside. In the dim stars of Sextans, it spotted something ...

If you ever want to get a bit of perspective, there's very little that's more humbling than a good deep field image – and ...

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

It is a small area of the sky, equivalent to holding a square of one millimeter by one millimeter at arm’s length. But tens ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

In the summer of 1995, Robert Williams, then director of the Space Telescope Science Institute, which manages the Hubble ...

Supermassive black holes are found at the center of massive galaxies like our own Milky Way. These ginormous cosmic beasts ...